{"id":7817,"date":"2020-04-28T16:01:17","date_gmt":"2020-04-28T13:01:17","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=7817"},"modified":"2021-04-19T09:54:31","modified_gmt":"2021-04-19T06:54:31","slug":"%ce%bc%ce%ad%cf%84%cf%81%ce%b7%cf%83%ce%b7-%cf%8c%ce%b3%ce%ba%ce%bf%cf%85-%cf%80%cf%85%ce%ba%ce%bd%cf%8c%cf%84%ce%b7%cf%84%ce%b1%cf%82-online","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=7817","title":{"rendered":"\u039c\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u038c\u03b3\u03ba\u03bf\u03c5-\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 Online"},"content":{"rendered":"\n<p>\u0391\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b5 \u03bc\u03b5 \u03ba\u03bb\u03b9\u03ba \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd.  \u038c\u03c4\u03b1\u03bd \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03bf\u03c5, \u03c0\u03ac\u03c4\u03b1 \u03c4\u03bf \u03ba\u03bf\u03c5\u03bc\u03c0\u03af &#8220;\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1&#8221;\u00a0 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b5\u03b9\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n<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=\"submittingExam52\" 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-52\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-626'>\n\t\t\t<div class='question-content'><span class='watupro_num'>1. <\/span>\u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b5 \u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b9\u03ac.<div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_626\"><tr><td class=\"watupro-matrix-left-cell\">\u039d\u03b5\u03c1\u03cc<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable626\" id=\"watuPRODroppableCell1763\"><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, 'watuPRODroppableCell1763', 0);return false;\">2,7g\/cm<sup>3<\/sup><!--WTPMD517336ca02e5522190a696852d2e2721e--><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, 'watuPRODroppableCell1763', 1);return false;\">13,6g\/cm<sup>3<\/sup><!--WTPMD5da752f3535239a67e2d0c18f1114dc30--><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, 'watuPRODroppableCell1763', 2);return false;\">0,0012g\/cm<sup>3<\/sup><!--WTPMD5ca0d2022f2feed1c22bb2a9d1d932382--><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, 'watuPRODroppableCell1763', 3);return false;\">0,9g\/cm<sup>3<\/sup><!--WTPMD592fe59a0ca2365db667a5e80b0d165a7--><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, 'watuPRODroppableCell1763', 4);return false;\">1g\/cm<sup>3<\/sup><!--WTPMD51eda513c73131719e6a95a68320c33a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-626 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1763\" name=\"matrix-left-1763\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0391\u03bb\u03bf\u03c5\u03bc\u03af\u03bd\u03b9\u03bf<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable626\" id=\"watuPRODroppableCell1764\"><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, 'watuPRODroppableCell1764', 0);return false;\">2,7g\/cm<sup>3<\/sup><!--WTPMD517336ca02e5522190a696852d2e2721e--><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, 'watuPRODroppableCell1764', 1);return false;\">13,6g\/cm<sup>3<\/sup><!--WTPMD5da752f3535239a67e2d0c18f1114dc30--><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, 'watuPRODroppableCell1764', 2);return false;\">0,0012g\/cm<sup>3<\/sup><!--WTPMD5ca0d2022f2feed1c22bb2a9d1d932382--><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, 'watuPRODroppableCell1764', 3);return false;\">0,9g\/cm<sup>3<\/sup><!--WTPMD592fe59a0ca2365db667a5e80b0d165a7--><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, 'watuPRODroppableCell1764', 4);return false;\">1g\/cm<sup>3<\/sup><!--WTPMD51eda513c73131719e6a95a68320c33a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-626 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1764\" name=\"matrix-left-1764\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u039b\u03ac\u03b4\u03b9<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable626\" id=\"watuPRODroppableCell1765\"><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, 'watuPRODroppableCell1765', 0);return false;\">2,7g\/cm<sup>3<\/sup><!--WTPMD517336ca02e5522190a696852d2e2721e--><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, 'watuPRODroppableCell1765', 1);return false;\">13,6g\/cm<sup>3<\/sup><!--WTPMD5da752f3535239a67e2d0c18f1114dc30--><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, 'watuPRODroppableCell1765', 2);return false;\">0,0012g\/cm<sup>3<\/sup><!--WTPMD5ca0d2022f2feed1c22bb2a9d1d932382--><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, 'watuPRODroppableCell1765', 3);return false;\">0,9g\/cm<sup>3<\/sup><!--WTPMD592fe59a0ca2365db667a5e80b0d165a7--><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, 'watuPRODroppableCell1765', 4);return false;\">1g\/cm<sup>3<\/sup><!--WTPMD51eda513c73131719e6a95a68320c33a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-626 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1765\" name=\"matrix-left-1765\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0391\u03ad\u03c1\u03b1\u03c2<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable626\" id=\"watuPRODroppableCell1766\"><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, 'watuPRODroppableCell1766', 0);return false;\">2,7g\/cm<sup>3<\/sup><!--WTPMD517336ca02e5522190a696852d2e2721e--><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, 'watuPRODroppableCell1766', 1);return false;\">13,6g\/cm<sup>3<\/sup><!--WTPMD5da752f3535239a67e2d0c18f1114dc30--><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, 'watuPRODroppableCell1766', 2);return false;\">0,0012g\/cm<sup>3<\/sup><!--WTPMD5ca0d2022f2feed1c22bb2a9d1d932382--><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, 'watuPRODroppableCell1766', 3);return false;\">0,9g\/cm<sup>3<\/sup><!--WTPMD592fe59a0ca2365db667a5e80b0d165a7--><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, 'watuPRODroppableCell1766', 4);return false;\">1g\/cm<sup>3<\/sup><!--WTPMD51eda513c73131719e6a95a68320c33a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-626 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1766\" name=\"matrix-left-1766\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u03a5\u03b4\u03c1\u03ac\u03c1\u03b3\u03c5\u03c1\u03bf\u03c2<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable626\" id=\"watuPRODroppableCell1767\"><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, 'watuPRODroppableCell1767', 0);return false;\">2,7g\/cm<sup>3<\/sup><!--WTPMD517336ca02e5522190a696852d2e2721e--><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, 'watuPRODroppableCell1767', 1);return false;\">13,6g\/cm<sup>3<\/sup><!--WTPMD5da752f3535239a67e2d0c18f1114dc30--><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, 'watuPRODroppableCell1767', 2);return false;\">0,0012g\/cm<sup>3<\/sup><!--WTPMD5ca0d2022f2feed1c22bb2a9d1d932382--><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, 'watuPRODroppableCell1767', 3);return false;\">0,9g\/cm<sup>3<\/sup><!--WTPMD592fe59a0ca2365db667a5e80b0d165a7--><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, 'watuPRODroppableCell1767', 4);return false;\">1g\/cm<sup>3<\/sup><!--WTPMD51eda513c73131719e6a95a68320c33a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-626 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1767\" name=\"matrix-left-1767\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_1' value='626' \/><input type='hidden' id='answerType626' value='nmatrix'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-627'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u0388\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u0391 \u03ad\u03c7\u03b5\u03b9 \u03cc\u03b3\u03ba\u03bf 2L \u03b5\u03bd\u03ce \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u0392 \u03ad\u03c7\u03b5\u03b9 \u03cc\u03b3\u03ba\u03bf 1L. \u03a4\u03cc\u03c4\u03b5 \u03c4\u03bf \u0391 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03ac\u03b6\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u0392.<\/div><input type='hidden' name='question_id[]' id='qID_2' value='627' \/><input type='hidden' id='answerType627' 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-627[]' id='answer-id-1768' class='answer   answerof-627 ' value='1768'   \/><label for='answer-id-1768' id='answer-label-1768' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-627[]' id='answer-id-1769' class='answer   answerof-627 ' value='1769'   \/><label for='answer-id-1769' id='answer-label-1769' class=' answer'><span>False<\/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-628'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03cc\u03b3\u03ba\u03bf \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2.<\/div><input type='hidden' name='question_id[]' id='qID_3' value='628' \/><input type='hidden' id='answerType628' 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-628[]' id='answer-id-1770' class='answer   answerof-628 ' value='1770'   \/><label for='answer-id-1770' id='answer-label-1770' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-628[]' id='answer-id-1771' class='answer   answerof-628 ' value='1771'   \/><label for='answer-id-1771' id='answer-label-1771' class=' answer'><span>False<\/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-629'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u0388\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 A \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 1,1g\/cm<sup>3<\/sup> \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u0392 0,9g\/cm<sup>3<\/sup>. \u0391\u03bd \u03ad\u03c7\u03b5\u03b9\u03c2 1L \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03c3\u03ce\u03bc\u03b1, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u0391 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03ac\u03b6\u03b1.<\/div><input type='hidden' name='question_id[]' id='qID_4' value='629' \/><input type='hidden' id='answerType629' 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-629[]' id='answer-id-1772' class='answer   answerof-629 ' value='1772'   \/><label for='answer-id-1772' id='answer-label-1772' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-629[]' id='answer-id-1773' class='answer   answerof-629 ' value='1773'   \/><label for='answer-id-1773' id='answer-label-1773' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-630'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>\u0388\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 A \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 1,1g\/cm<sup>3<\/sup> \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u0392 0,9g\/cm<sup>3<\/sup>. \u0391\u03bd \u03ad\u03c7\u03b5\u03b9\u03c2 1kg \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03c3\u03ce\u03bc\u03b1, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u0391 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03cc\u03b3\u03ba\u03bf.<\/div><input type='hidden' name='question_id[]' id='qID_5' value='630' \/><input type='hidden' id='answerType630' 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-630[]' id='answer-id-1774' class='answer   answerof-630 ' value='1774'   \/><label for='answer-id-1774' id='answer-label-1774' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-630[]' id='answer-id-1775' class='answer   answerof-630 ' value='1775'   \/><label for='answer-id-1775' id='answer-label-1775' class=' answer'><span>False<\/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-631'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u0394\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf 600g \u03ba\u03b1\u03b9 \u03bf\u03b3\u03ba\u03bf\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03bc\u03b5 \u03bd\u03b5\u03c1\u03cc 250ml (\u03b8\u03ad\u03c3\u03b7 \u0391). \u03a1\u03af\u03c7\u03bd\u03b5\u03b9\u03c2 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf (\u03b8\u03ad\u03c3\u03b7 \u0392) \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03b9\u03c2 \u03c4\u03b7\u03bd \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5.\u03a4\u03b7 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03b9\u03c2:<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7821\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-1-300x129.jpg\" alt=\"\" width=\"361\" height=\"155\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-1-300x129.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-1-768x330.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-1.jpg 1006w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_6' value='631' \/><input type='hidden' id='answerType631' 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-631[]' id='answer-id-1776' class='answer   answerof-631 ' value='1776'   \/><label for='answer-id-1776' id='answer-label-1776' class=' answer'><span>2g\/cm<sup>3<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-631[]' id='answer-id-1777' class='answer   answerof-631 ' value='1777'   \/><label for='answer-id-1777' id='answer-label-1777' class=' answer'><span>5g\/cm<sup>3<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-631[]' id='answer-id-1778' class='answer   answerof-631 ' value='1778'   \/><label for='answer-id-1778' id='answer-label-1778' class=' answer'><span>8g\/cm<sup>3<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-631[]' id='answer-id-1779' class='answer   answerof-631 ' value='1779'   \/><label for='answer-id-1779' id='answer-label-1779' class=' answer'><span>10g\/cm<sup>3<\/sup><\/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-632'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7 \u03c6\u03c1\u03ac\u03c3\u03b7. \u0391\u03c0\u03cc \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c5\u03b3\u03c1\u03ac \u03c3\u03c4\u03b1 \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u03c4\u03bf \u03bb\u03ac\u03b4\u03b9 \u03ad\u03c7\u03b5\u03b9<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7822\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-2-300x140.jpg\" alt=\"\" width=\"358\" height=\"167\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-2-300x140.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-2-640x300.jpg 640w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-2.jpg 755w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_7' value='632' \/><input type='hidden' id='answerType632' 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-632[]' id='answer-id-1780' class='answer   answerof-632 ' value='1780'   \/><label for='answer-id-1780' id='answer-label-1780' class=' answer'><span>\u03c4\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03cc\u03b3\u03ba\u03bf.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-632[]' id='answer-id-1781' class='answer   answerof-632 ' value='1781'   \/><label for='answer-id-1781' id='answer-label-1781' class=' answer'><span>\u03c4\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03ac\u03b6\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-632[]' id='answer-id-1782' class='answer   answerof-632 ' value='1782'   \/><label for='answer-id-1782' id='answer-label-1782' class=' answer'><span>\u03c4\u03b7 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03bf \u03bb\u03ac\u03b4\u03b9 \u03b1\u03bd \u03c4\u03bf \u03c1\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03b5\u03c0\u03b9\u03c0\u03bb\u03ad\u03b5\u03b9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-632[]' id='answer-id-1783' class='answer   answerof-632 ' value='1783'   \/><label for='answer-id-1783' id='answer-label-1783' class=' answer'><span>\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03b3\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03cc\u03b3\u03ba\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc, \u03b1\u03bb\u03bb\u03ac \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03ac\u03b6\u03b1, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03c4\u03bf \u03c0\u03b7\u03bb\u03af\u03ba\u03bf m\/V \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03b4\u03b9\u03bf.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-633'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u0396\u03c5\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03ba\u03b1\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 80g. \u039a\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd \u03c4\u03bf \u03b2\u03c5\u03b8\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3' \u03ad\u03bd\u03b1 \u03bf\u03b3\u03ba\u03bf\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03b1 100ml \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b1 150ml. \u0393\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 1g\/cm<sup>3<\/sup>, \u03c0\u03bf\u03b9\u03b5\u03c2 \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\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_8' value='633' \/><input type='hidden' id='answerType633' 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-633[]' id='answer-id-1784' class='answer   answerof-633 watupro_max_selections-2' value='1784'  onclick='return WatuPRO.maxSelections(633,2, this);' \/><label for='answer-id-1784' id='answer-label-1784' class=' answer'><span>\u039f \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 150ml.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-633[]' id='answer-id-1785' class='answer   answerof-633 watupro_max_selections-2' value='1785'  onclick='return WatuPRO.maxSelections(633,2, this);' \/><label for='answer-id-1785' id='answer-label-1785' class=' answer'><span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 1,6g\/cm<sup>3<\/sup>.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-633[]' id='answer-id-1786' class='answer   answerof-633 watupro_max_selections-2' value='1786'  onclick='return WatuPRO.maxSelections(633,2, this);' \/><label for='answer-id-1786' id='answer-label-1786' class=' answer'><span>\u0391\u03bd \u03c1\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc, \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b8\u03b1 \u03b2\u03c5\u03b8\u03b9\u03c3\u03c4\u03b5\u03af.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-633[]' id='answer-id-1787' class='answer   answerof-633 watupro_max_selections-2' value='1787'  onclick='return WatuPRO.maxSelections(633,2, this);' \/><label for='answer-id-1787' id='answer-label-1787' class=' answer'><span>\u0391\u03bd \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf \u03c1\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03c5\u03b3\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 1,5g\/cm<sup>3<\/sup>, \u03b4\u03b5 \u03b8\u03b1 \u03b2\u03c5\u03b8\u03b9\u03c3\u03c4\u03b5\u03af.<\/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-634'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b6\u03c5\u03b3\u03af\u03b6\u03b5\u03b9 540g \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 6g\/cm<sup>3<\/sup>. \u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03bf\u03b3\u03ba\u03bf\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5, \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03b1 200ml. \u0391\u03bd \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03c0\u03b5\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03bc\u03b5 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc, \u03b7 \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b8\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b1:<br \/>\r\n<br \/>\r\n<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-7823\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-3-300x149.jpg\" alt=\"\" width=\"363\" height=\"180\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-3-300x149.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2020\/04\/\u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1-eclass-3.jpg 646w\" sizes=\"auto, (max-width: 363px) 100vw, 363px\" \/><\/div><input type='hidden' name='question_id[]' id='qID_9' value='634' \/><input type='hidden' id='answerType634' 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-634[]' id='answer-id-1788' class='answer   answerof-634 ' value='1788'   \/><label for='answer-id-1788' id='answer-label-1788' class=' answer'><span>360ml<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-634[]' id='answer-id-1789' class='answer   answerof-634 ' value='1789'   \/><label for='answer-id-1789' id='answer-label-1789' class=' answer'><span>320ml<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-634[]' id='answer-id-1790' class='answer   answerof-634 ' value='1790'   \/><label for='answer-id-1790' id='answer-label-1790' class=' answer'><span>300ml<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-634[]' id='answer-id-1791' class='answer   answerof-634 ' value='1791'   \/><label for='answer-id-1791' id='answer-label-1791' class=' answer'><span>290ml<\/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-635'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u038c\u03c4\u03b1\u03bd \u03c0\u03b1\u03b3\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03b4\u03b9\u03b1\u03c3\u03c4\u03ad\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9. \u03a4\u03bf \u03c3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03b3\u03b1\u03af\u03bd\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_10' value='635' \/><input type='hidden' id='answerType635' 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-635[]' id='answer-id-1792' class='answer   answerof-635 ' value='1792'   \/><label for='answer-id-1792' id='answer-label-1792' class=' answer'><span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd, \u03b3\u03b9\u03b1\u03c4\u03af \u03bc\u03b9\u03ba\u03c1\u03b1\u03af\u03bd\u03b5\u03b9 \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-635[]' id='answer-id-1793' class='answer   answerof-635 ' value='1793'   \/><label for='answer-id-1793' id='answer-label-1793' class=' answer'><span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd, \u03b3\u03b9\u03b1\u03c4\u03af \u03bc\u03b5\u03b3\u03b1\u03bb\u03ce\u03bd\u03b5\u03b9 \u03bf \u03cc\u03b3\u03ba\u03bf\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-635[]' id='answer-id-1794' class='answer   answerof-635 ' value='1794'   \/><label for='answer-id-1794' id='answer-label-1794' class=' answer'><span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03bc\u03b5\u03b3\u03b1\u03bb\u03ce\u03bd\u03b5\u03b9, \u03b3\u03b9\u03b1\u03c4\u03af \u03bc\u03b5\u03b3\u03b1\u03bb\u03ce\u03bd\u03b5\u03b9 \u03bf \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-635[]' id='answer-id-1795' class='answer   answerof-635 ' value='1795'   \/><label for='answer-id-1795' id='answer-label-1795' class=' answer'><span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03af\u03b4\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd, \u03b3\u03b9\u03b1\u03c4\u03af \u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03cc\u03b3\u03ba\u03bf.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-11' style=';'><div id='questionWrap-11'  class='   watupro-question-id-636'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>\u0391\u03bd\u03b1\u03b6\u03ae\u03c4\u03b7\u03c3\u03b5 \u03ba\u03b1\u03b9 \u03b2\u03c1\u03b5\u03c2: \u03a4\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 10kg \u03c5\u03b4\u03c1\u03ac\u03c1\u03b3\u03c5\u03c1\u03bf\u03c2 \u03ae 136kg \u03bd\u03b5\u03c1\u03bf\u03cd.<\/div><input type='hidden' name='question_id[]' id='qID_11' value='636' \/><input type='hidden' id='answerType636' 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-636[]' id='answer-id-1796' class='answer   answerof-636 ' value='1796'   \/><label for='answer-id-1796' id='answer-label-1796' class=' answer'><span>136kg \u03bd\u03b5\u03c1\u03bf\u03cd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-636[]' id='answer-id-1797' class='answer   answerof-636 ' value='1797'   \/><label for='answer-id-1797' id='answer-label-1797' class=' answer'><span>10kg \u03c5\u03b4\u03c1\u03ac\u03c1\u03b3\u03c5\u03c1\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-636[]' id='answer-id-1798' class='answer   answerof-636 ' value='1798'   \/><label for='answer-id-1798' id='answer-label-1798' class=' answer'><span>\u039f\u03b9 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c0\u03bf\u03c3\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b5\u03c2.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-12' style=';'><div id='questionWrap-12'  class='   watupro-question-id-637'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>\u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b2\u03b1\u03c1\u03cd; \u0388\u03bd\u03b1 \u03bb\u03af\u03c4\u03c1\u03bf \u03bd\u03b5\u03c1\u03bf\u03cd \u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03af\u03c4\u03c1\u03bf \u03c0\u03ac\u03b3\u03bf\u03c5.<\/div><input type='hidden' name='question_id[]' id='qID_12' value='637' \/><input type='hidden' id='answerType637' 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-637[]' id='answer-id-1799' class='answer   answerof-637 ' value='1799'   \/><label for='answer-id-1799' id='answer-label-1799' class=' answer'><span>\u0388\u03bd\u03b1 \u03bb\u03af\u03c4\u03c1\u03bf \u03bd\u03b5\u03c1\u03bf\u03cd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-637[]' id='answer-id-1800' class='answer   answerof-637 ' value='1800'   \/><label for='answer-id-1800' id='answer-label-1800' class=' answer'><span>\u0388\u03bd\u03b1 \u03bb\u03af\u03c4\u03c1\u03bf \u03c0\u03ac\u03b3\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-637[]' id='answer-id-1801' class='answer   answerof-637 ' value='1801'   \/><label for='answer-id-1801' id='answer-label-1801' class=' answer'><span>\u0388\u03c7\u03bf\u03c5\u03bd \u03af\u03c3\u03b1 \u03b2\u03ac\u03c1\u03b7, \u03b3\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03bf\u03c5\u03bd \u03af\u03c3\u03bf\u03c5\u03c2 \u03cc\u03b3\u03ba\u03bf\u03c5\u03c2.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-13'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons52\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; \u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03b7\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\"  \/>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"52\" id=\"watuPROExamID\"\/>\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-05-04 03:07:27\" \/>\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1777864047\" \/>\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\" \/>\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"626:1763,1764,1765,1766,1767 | 627:1768,1769 | 628:1770,1771 | 629:1772,1773 | 630:1774,1775 | 631:1776,1777,1778,1779 | 632:1780,1781,1782,1783 | 633:1784,1785,1786,1787 | 634:1788,1789,1790,1791 | 635:1792,1793,1794,1795 | 636:1796,1797,1798 | 637:1799,1800,1801\" \/>\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>&nbsp;<\/p>\n<\/div>\n\n<form method=\"post\" id=\"watuproTimerForm52\">\n\t<!-- watupro-hidden-fields -->\n\t<input type=\"hidden\" name=\"watupro_start_timer\" value=\"0\">\n\t<input type=\"hidden\" name=\"watupro_taker_email\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_name\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_phone\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_company\" value=\"\">\n\t<input 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