{"id":7752,"date":"2020-04-06T18:37:44","date_gmt":"2020-04-06T15:37:44","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=7752"},"modified":"2020-04-08T18:21:00","modified_gmt":"2020-04-08T15:21:00","slug":"%cf%85%ce%b4%cf%81%ce%bf%cf%83%cf%84%ce%b1%cf%84%ce%b9%ce%ba%ce%ae-%ce%b1%cf%84%ce%bc%ce%bf%cf%83%cf%86%ce%b1%ce%b9%cf%81%ce%b9%ce%ba%ce%ae-%cf%80%ce%af%ce%b5%cf%83%ce%b7-online","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=7752","title":{"rendered":"\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae &#8211; \u0391\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03a0\u03af\u03b5\u03c3\u03b7 Online"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u039f\u03b9 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b4\u03ad\u03ba\u03b1 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 Online \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03bf\u03ba\u03c4\u03ce \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03cd\u03bf \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u0391\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae\u03c2 \u03a0\u03af\u03b5\u03c3\u03b7\u03c2. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam50\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-50\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-606'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_1' value='606' \/><input type='hidden' id='answerType606' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-606[]' id='answer-id-1709' class='answer   answerof-606 watupro_max_selections-2' value='1709'  onclick='return WatuPRO.maxSelections(606,2, this);' \/><label for='answer-id-1709' id='answer-label-1709' class=' answer'><span>\u03a4\u03b1 \u03b1\u03ad\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c5\u03b3\u03c1\u03ac \u03c4\u03b1 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c1\u03b5\u03c5\u03c3\u03c4\u03ac.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-606[]' id='answer-id-1710' class='answer   answerof-606 watupro_max_selections-2' value='1710'  onclick='return WatuPRO.maxSelections(606,2, this);' \/><label for='answer-id-1710' id='answer-label-1710' class=' answer'><span>\u03a4\u03b1 \u03b1\u03ad\u03c1\u03b9\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-606[]' id='answer-id-1711' class='answer   answerof-606 watupro_max_selections-2' value='1711'  onclick='return WatuPRO.maxSelections(606,2, this);' \/><label for='answer-id-1711' id='answer-label-1711' class=' answer'><span>\u0397 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03bf\u03c6\u03b5\u03af\u03bb\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-606[]' id='answer-id-1712' class='answer   answerof-606 watupro_max_selections-2' value='1712'  onclick='return WatuPRO.maxSelections(606,2, this);' \/><label for='answer-id-1712' id='answer-label-1712' class=' answer'><span>\u0397 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-c1651a4e232e3444303750dce4bdefa6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#80;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#70;&#95;&#75;&#125;&#123;&#65;&#125;&#32;\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"46\" style=\"vertical-align: -9px;\"\/> \u03b4\u03b5\u03bd \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-607'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u039c\u03b5 \u03c0\u03bf\u03b9\u03b1\u00a0 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7;<\/div><input type='hidden' name='question_id[]' id='qID_2' value='607' \/><input type='hidden' id='answerType607' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-607[]' id='answer-id-1713' class='answer   answerof-607 watupro_max_selections-3' value='1713'  onclick='return WatuPRO.maxSelections(607,3, this);' \/><label for='answer-id-1713' id='answer-label-1713' class=' answer'><span>\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c5\u03b3\u03c1\u03bf\u03cd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-607[]' id='answer-id-1714' class='answer   answerof-607 watupro_max_selections-3' value='1714'  onclick='return WatuPRO.maxSelections(607,3, this);' \/><label for='answer-id-1714' id='answer-label-1714' class=' answer'><span>\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b2\u03c5\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-607[]' id='answer-id-1715' class='answer   answerof-607 watupro_max_selections-3' value='1715'  onclick='return WatuPRO.maxSelections(607,3, this);' \/><label for='answer-id-1715' id='answer-label-1715' class=' answer'><span>\u0392\u03ac\u03b8\u03bf\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-607[]' id='answer-id-1716' class='answer   answerof-607 watupro_max_selections-3' value='1716'  onclick='return WatuPRO.maxSelections(607,3, this);' \/><label for='answer-id-1716' id='answer-label-1716' class=' answer'><span>\u03a0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-607[]' id='answer-id-1717' class='answer   answerof-607 watupro_max_selections-3' value='1717'  onclick='return WatuPRO.maxSelections(607,3, this);' \/><label for='answer-id-1717' id='answer-label-1717' class=' answer'><span>\u0395\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-608'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7 \u03c6\u03c1\u03ac\u03c3\u03b7: \u0397 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03bc\u03b1\u03bd\u03cc\u03bc\u03b5\u03c4\u03c1\u03b1 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03cc\u03c4\u03b9<\/div><input type='hidden' name='question_id[]' id='qID_3' value='608' \/><input type='hidden' id='answerType608' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-608[]' id='answer-id-1718' class='answer   answerof-608 ' value='1718'   \/><label for='answer-id-1718' id='answer-label-1718' class=' answer'><span>\u03c3\u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ba\u03ad\u03bb\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c5\u03b3\u03c1\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-608[]' id='answer-id-1719' class='answer   answerof-608 ' value='1719'   \/><label for='answer-id-1719' id='answer-label-1719' class=' answer'><span>\u03b7 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03cd\u03c8\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c3\u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ba\u03ad\u03bb\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-608[]' id='answer-id-1720' class='answer   answerof-608 ' value='1720'   \/><label for='answer-id-1720' id='answer-label-1720' class=' answer'><span>\u03c4\u03bf \u03c5\u03b3\u03c1\u03cc \u03c0\u03ac\u03bd\u03c4\u03b1 \u03b8\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7 \u03c3\u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ba\u03ad\u03bb\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-608[]' id='answer-id-1721' class='answer   answerof-608 ' value='1721'   \/><label for='answer-id-1721' id='answer-label-1721' class=' answer'><span>\u03c4\u03bf \u03c5\u03b3\u03c1\u03cc \u03c3\u03c4\u03bf \u03ad\u03bd\u03b1 \u03c3\u03ba\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c0\u03b9\u03bf \u03c0\u03bf\u03bb\u03cd \u03b1\u03c0\u03cc \u03cc\u03c3\u03bf \u03ba\u03b1\u03c4\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf \u03ac\u03bb\u03bb\u03bf.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-609'>\n\t\t\t<div class='question-content'><p><span class='watupro_num'>4. <\/span>\u03a3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b5 \u03c4\u03b1 \u03ba\u03b5\u03bd\u03ac \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03bb\u03ad\u03be\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03ba\u03bb\u03b9\u03ba.<\/p>\n<p>\u0397 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 <select name=\"gap_609_1\" class=\"watupro-gap answer answerof-609\" ><option value=\"\"><\/option><option value=\"\u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9\">\u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9<\/option><option value=\"\u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9\">\u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9<\/option><\/select> \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03c5\u03b3\u03c1\u03cc \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 <select name=\"gap_609_2\" class=\"watupro-gap answer answerof-609\" ><option value=\"\"><\/option><option value=\"\u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b7\">\u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b7<\/option><option value=\"\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7\">\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7<\/option><option value=\"\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7\">\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7<\/option><\/select> \u03c4\u03bf\u03c5 \u03b5\u03bc\u03b2\u03b1\u03b4\u03bf\u03cd \u03c4\u03b7\u03c2. \u0395\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 <select name=\"gap_609_3\" class=\"watupro-gap answer answerof-609\" ><option value=\"\"><\/option><option value=\"\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7\">\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7<\/option><option value=\"\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7\">\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7<\/option><\/select> \u03c4\u03bf\u03c5 \u03b2\u03ac\u03b8\u03bf\u03c5\u03c2, <select name=\"gap_609_4\" class=\"watupro-gap answer answerof-609\" ><option value=\"\"><\/option><option value=\"\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7\">\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7<\/option><option value=\"\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7\">\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b7<\/option><\/select> \u03c4\u03b7\u03c2 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03ba\u03b1\u03b9 <select name=\"gap_609_5\" class=\"watupro-gap answer answerof-609\" ><option value=\"\"><\/option><option value=\"\u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9\">\u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9<\/option><option value=\"\u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9\">\u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9<\/option><\/select> \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n<input type='hidden' name='question_id[]' id='qID_4' value='609' \/><input type='hidden' id='answerType609' value='gaps'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-610'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>\u0397 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b2\u03ac\u03b8\u03bf\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03c5\u03b3\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 1,2g\/cm<sup>3<\/sup> \u03b5\u03af\u03bd\u03b1\u03b9 600Pa. \u0391\u03bd \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b2\u03ac\u03b8\u03bf\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c5\u03b3\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 3,6g\/cm<sup>3<\/sup>, \u03c4\u03cc\u03c4\u03b5\u00a0 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_5' value='610' \/><input type='hidden' id='answerType610' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-610[]' id='answer-id-1722' class='answer   answerof-610 ' value='1722'   \/><label for='answer-id-1722' id='answer-label-1722' class=' answer'><span>1800Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-610[]' id='answer-id-1723' class='answer   answerof-610 ' value='1723'   \/><label for='answer-id-1723' id='answer-label-1723' class=' answer'><span>1200Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-610[]' id='answer-id-1724' class='answer   answerof-610 ' value='1724'   \/><label for='answer-id-1724' id='answer-label-1724' class=' answer'><span>200Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-610[]' id='answer-id-1725' class='answer   answerof-610 ' value='1725'   \/><label for='answer-id-1725' id='answer-label-1725' class=' answer'><span>100Pa<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-611'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u039c\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03c3\u03b5 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1. \u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae;<br \/>\r\n<br \/>\r\n<div id=\"attachment_7740\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7740\" class=\"wp-image-7740\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-1-300x91.jpg\" alt=\"\" width=\"390\" height=\"118\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-1-300x91.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-1-768x233.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-1.jpg 896w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/><\/a><p id=\"caption-attachment-7740\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_6' value='611' \/><input type='hidden' id='answerType611' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-611[]' id='answer-id-1726' class='answer   answerof-611 ' value='1726'   \/><label for='answer-id-1726' id='answer-label-1726' class=' answer'><span>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-611[]' id='answer-id-1727' class='answer   answerof-611 ' value='1727'   \/><label for='answer-id-1727' id='answer-label-1727' class=' answer'><span>\u03a4\u03bf \u03bd\u03b5\u03c1\u03cc \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u0391 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-611[]' id='answer-id-1728' class='answer   answerof-611 ' value='1728'   \/><label for='answer-id-1728' id='answer-label-1728' class=' answer'><span>\u039f\u03b9 \u03c0\u03b9\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b5\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-611[]' id='answer-id-1729' class='answer   answerof-611 ' value='1729'   \/><label for='answer-id-1729' id='answer-label-1729' class=' answer'><span>\u0397 \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u0391 \u03ad\u03c0\u03c1\u03b5\u03c0\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u0392.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-612'>\n\t\t\t<div class='question-content'><span class='watupro_num'>7. <\/span>\u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b9\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391,\u0392,\u0393,\u0394 \u03ba\u03b1\u03b9 \u0395 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b9\u03ac.<br \/>\r\n<br \/>\r\n<div id=\"attachment_7741\" style=\"width: 396px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7741\" class=\"wp-image-7741\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-2-300x200.jpg\" alt=\"\" width=\"386\" height=\"257\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-2-300x200.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-2-768x513.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-2.jpg 854w\" sizes=\"auto, (max-width: 386px) 100vw, 386px\" \/><\/a><p id=\"caption-attachment-7741\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 7<\/p><\/div><div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_612\"><tr><td class=\"watupro-matrix-left-cell\">\u0391<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable612\" id=\"watuPRODroppableCell1730\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-0-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1730', 0);return false;\">250Pa<!--WTPMD5461c3aedc16c8243a0284c2c63610fa9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1730', 1);return false;\">120Pa<!--WTPMD5878247c3af1c7096b333e371494749df--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1730', 2);return false;\">430Pa<!--WTPMD5fc2ba5dd7b10a8c1f88d05d779940f70--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1730', 3);return false;\">100Pa<!--WTPMD5e91ee35d8906555eb4fe023e4e87751c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1730', 4);return false;\">500Pa<!--WTPMD5ead768d65f972a83a4530dbeed68ad72--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-612 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1730\" name=\"matrix-left-1730\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0392<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable612\" id=\"watuPRODroppableCell1731\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-1-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1731', 0);return false;\">250Pa<!--WTPMD5461c3aedc16c8243a0284c2c63610fa9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1731', 1);return false;\">120Pa<!--WTPMD5878247c3af1c7096b333e371494749df--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1731', 2);return false;\">430Pa<!--WTPMD5fc2ba5dd7b10a8c1f88d05d779940f70--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1731', 3);return false;\">100Pa<!--WTPMD5e91ee35d8906555eb4fe023e4e87751c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1731', 4);return false;\">500Pa<!--WTPMD5ead768d65f972a83a4530dbeed68ad72--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-612 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1731\" name=\"matrix-left-1731\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0393<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable612\" id=\"watuPRODroppableCell1732\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-2-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1732', 0);return false;\">250Pa<!--WTPMD5461c3aedc16c8243a0284c2c63610fa9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1732', 1);return false;\">120Pa<!--WTPMD5878247c3af1c7096b333e371494749df--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1732', 2);return false;\">430Pa<!--WTPMD5fc2ba5dd7b10a8c1f88d05d779940f70--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1732', 3);return false;\">100Pa<!--WTPMD5e91ee35d8906555eb4fe023e4e87751c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1732', 4);return false;\">500Pa<!--WTPMD5ead768d65f972a83a4530dbeed68ad72--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-612 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1732\" name=\"matrix-left-1732\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0394<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable612\" id=\"watuPRODroppableCell1733\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-3-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1733', 0);return false;\">250Pa<!--WTPMD5461c3aedc16c8243a0284c2c63610fa9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1733', 1);return false;\">120Pa<!--WTPMD5878247c3af1c7096b333e371494749df--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1733', 2);return false;\">430Pa<!--WTPMD5fc2ba5dd7b10a8c1f88d05d779940f70--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1733', 3);return false;\">100Pa<!--WTPMD5e91ee35d8906555eb4fe023e4e87751c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1733', 4);return false;\">500Pa<!--WTPMD5ead768d65f972a83a4530dbeed68ad72--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-612 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1733\" name=\"matrix-left-1733\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">E<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable612\" id=\"watuPRODroppableCell1734\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-4-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1734', 0);return false;\">250Pa<!--WTPMD5461c3aedc16c8243a0284c2c63610fa9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1734', 1);return false;\">120Pa<!--WTPMD5878247c3af1c7096b333e371494749df--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1734', 2);return false;\">430Pa<!--WTPMD5fc2ba5dd7b10a8c1f88d05d779940f70--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1734', 3);return false;\">100Pa<!--WTPMD5e91ee35d8906555eb4fe023e4e87751c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell1734', 4);return false;\">500Pa<!--WTPMD5ead768d65f972a83a4530dbeed68ad72--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-612 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1734\" name=\"matrix-left-1734\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_7' value='612' \/><input type='hidden' id='answerType612' value='nmatrix'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-613'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u0397 \u03b4\u03b5\u03be\u03b1\u03bc\u03b5\u03bd\u03ae \u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03ba\u03b1\u03b9 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03b5\u03af \u03ad\u03bd\u03b1\u03bd \u03bf\u03b9\u03ba\u03b9\u03c3\u03bc\u03cc. \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae;<br \/>\r\n<br \/>\r\n<div id=\"attachment_7742\" style=\"width: 459px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7742\" class=\"wp-image-7742\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-3-300x121.jpg\" alt=\"\" width=\"449\" height=\"181\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-3-300x121.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-3-768x310.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae-3.jpg 874w\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" \/><\/a><p id=\"caption-attachment-7742\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 8<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_8' value='613' \/><input type='hidden' id='answerType613' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-613[]' id='answer-id-1735' class='answer   answerof-613 ' value='1735'   \/><label for='answer-id-1735' id='answer-label-1735' class=' answer'><span>\u039f\u03b9 \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b5\u03c2 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bd\u03b5\u03c1\u03cc \u03b5\u03bd\u03ce \u03b7 \u0393 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-613[]' id='answer-id-1736' class='answer   answerof-613 ' value='1736'   \/><label for='answer-id-1736' id='answer-label-1736' class=' answer'><span>\u03a3\u03b5 \u03ba\u03b1\u03bc\u03af\u03b1 \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b1 \u03b4\u03b5 \u03c6\u03c4\u03ac\u03bd\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03bc\u03bf\u03c4\u03ad\u03c1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-613[]' id='answer-id-1737' class='answer   answerof-613 ' value='1737'   \/><label for='answer-id-1737' id='answer-label-1737' class=' answer'><span>\u039f\u03b9 \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b5\u03c2 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bd\u03b5\u03c1\u03cc \u03b5\u03bd\u03ce \u03b1\u03c0\u03cc \u03c4\u03b7 \u0393 \u03bc\u03b5\u03c1\u03b9\u03ba\u03bf\u03af \u03cc\u03c1\u03bf\u03c6\u03bf\u03b9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-613[]' id='answer-id-1738' class='answer   answerof-613 ' value='1738'   \/><label for='answer-id-1738' id='answer-label-1738' class=' answer'><span>\u039a\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03c1\u03b5\u03b9\u03c2 \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b5\u03c2 \u0391,\u0392 \u03ba\u03b1\u03b9 \u0393 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03be \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03bf\u03c5.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-614'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7 \u03c6\u03c1\u03ac\u03c3\u03b7; \u0391\u03bd \u03c4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03a4\u03bf\u03c1\u03b9\u03ba\u03ad\u03bb\u03bb\u03b9 \u03c4\u03bf \u03b5\u03ba\u03c4\u03b5\u03bb\u03bf\u03cd\u03c3\u03b1\u03bc\u03b5 \u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03c5\u03c8\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf, \u03b7 \u03c3\u03c4\u03ae\u03bb\u03b7 \u03c4\u03bf\u03c5 \u03c5\u03b4\u03c1\u03b1\u03c1\u03b3\u03cd\u03c1\u03bf\u03c5<\/div><input type='hidden' name='question_id[]' id='qID_9' value='614' \/><input type='hidden' id='answerType614' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-614[]' id='answer-id-1739' class='answer   answerof-614 ' value='1739'   \/><label for='answer-id-1739' id='answer-label-1739' class=' answer'><span>\u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03c0\u03ac\u03bb\u03b9 76cm<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-614[]' id='answer-id-1740' class='answer   answerof-614 ' value='1740'   \/><label for='answer-id-1740' id='answer-label-1740' class=' answer'><span>\u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc 76cm<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-614[]' id='answer-id-1741' class='answer   answerof-614 ' value='1741'   \/><label for='answer-id-1741' id='answer-label-1741' class=' answer'><span>\u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03c0\u03b9\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03c0\u03cc 76cm<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-614[]' id='answer-id-1742' class='answer   answerof-614 ' value='1742'   \/><label for='answer-id-1742' id='answer-label-1742' class=' answer'><span>\u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03ae \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc 76cm, \u03b3\u03b9\u03b1\u03c4\u03af \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-615'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u03a3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b5 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7 \u03c6\u03c1\u03ac\u03c3\u03b7: \u038c\u03c4\u03b1\u03bd \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c8\u03b7\u03bb\u03ac \u03c4\u03b1 \u03b1\u03c5\u03c4\u03b9\u03ac \u03bc\u03b1\u03c2 \u03c0\u03bf\u03bd\u03ac\u03bd\u03b5 \u03b3\u03b9\u03b1\u03c4\u03af<\/div><input type='hidden' name='question_id[]' id='qID_10' value='615' \/><input type='hidden' id='answerType615' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-615[]' id='answer-id-1743' class='answer   answerof-615 ' value='1743'   \/><label for='answer-id-1743' id='answer-label-1743' class=' answer'><span>\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03cc\u03c2 \u03bc\u03b1\u03c2 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-615[]' id='answer-id-1744' class='answer   answerof-615 ' value='1744'   \/><label for='answer-id-1744' id='answer-label-1744' class=' answer'><span>\u03b7 \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03cc\u03c2 \u03bc\u03b1\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-615[]' id='answer-id-1745' class='answer   answerof-615 ' value='1745'   \/><label for='answer-id-1745' id='answer-label-1745' class=' answer'><span>\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03cc\u03c2 \u03bc\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03af\u03c3\u03b5\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-615[]' id='answer-id-1746' class='answer   answerof-615 ' value='1746'   \/><label for='answer-id-1746' id='answer-label-1746' class=' answer'><span>\u03bf \u03c0\u03cc\u03bd\u03bf\u03c2 \u03c3\u03c4\u03b1 \u03b1\u03c5\u03c4\u03b9\u03ac \u03bc\u03b1\u03c2 \u03bf\u03c6\u03b5\u03af\u03bb\u03b5\u03c4\u03b1\u03b9 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