{"id":4044,"date":"2026-03-15T21:19:48","date_gmt":"2026-03-15T19:19:48","guid":{"rendered":"https:\/\/dkouzas.sites.sch.gr\/?p=4044"},"modified":"2026-04-19T10:06:20","modified_gmt":"2026-04-19T08:06:20","slug":"3-%cf%84%ce%bf-%cf%86%cf%89%cf%82","status":"publish","type":"post","link":"https:\/\/dkouzas.sites.sch.gr\/?p=4044","title":{"rendered":"3. \u03a4\u03bf \u03c6\u03c9\u03c2"},"content":{"rendered":"\n<h3 class=\"wp-block-heading has-text-align-center\">3.1 \u0397 \u03a6\u03a5\u03a3\u0397 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3<\/h3>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ebooks.edu.gr\/ebooks\/v\/html\/8547\/2682\/Fysiki_B-Lykeiou-Genikis-Paideias_html-empl\/index3_0.html\" target=\"_blank\" rel=\"noreferrer noopener\">\ud83d\udcd6\u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03bf \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u0397 \u0399\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 \u03c4\u03bf\u03c5 \u03a6\u03c9\u03c4\u03cc\u03c2\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/P119Af5fFHE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u0397 (\u03b4\u03b9\u03c0\u03bb\u03ae;) \u03c6\u03cd\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/WibxQmmopYc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/drive.google.com\/file\/d\/1nsXt_4Cm76qNvSQE80aWTIeAf7_be9qi\/view?usp=drive_link\" target=\"_blank\" rel=\"noopener\">\u03a6\u03a5\u039b\u039b\u039f \u0395\u03a1\u0393\u0391\u03a3\u0399\u0391\u03a3: \u0397 \u0399\u03a3\u03a4\u039f\u03a1\u0399\u0391 \u039a\u0391\u0399 \u0397 \u03a6\u03a5\u03a3\u0397 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u0397 \u03a8\u03b5\u03c5\u03b4\u03b1\u03af\u03c3\u03b8\u03b7\u03c3\u03b7 \u03a4\u03bf\u03c5 \u03a6\u03c9\u03c4\u03cc\u03c2 - \u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u0391\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/c15mGgTyYeA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/drive.google.com\/file\/d\/17_dXYN7SitkXiAkN0tCQjbGPjB_Awhjx\/view?usp=sharing\" target=\"_blank\" rel=\"noopener\">\u0397\u039b\u0395\u039a\u03a4\u03a1\u039f\u039c\u0391\u0393\u039d\u0397\u03a4\u0399\u039a\u0397 \u0391\u039a\u03a4\u0399\u039d\u039f\u0392\u039f\u039b\u0399\u0391<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">3.2 \u0397 \u03a4\u0391\u03a7\u03a5\u03a4\u0397\u03a4\u0391 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3<\/h3>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ebooks.edu.gr\/ebooks\/v\/html\/8547\/2682\/Fysiki_B-Lykeiou-Genikis-Paideias_html-empl\/index3_2.html\" target=\"_blank\" rel=\"noreferrer noopener\">\ud83d\udcd6\u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03bf \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u03a0\u03ce\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b1\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03c0\u03b5\u03b9\u03c1\u03b1\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/jMC-w2MPYH4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/drive.google.com\/file\/d\/1lUY5QsG0nPq-gv5E7ryRaQ1AyMxg1aPH\/view?usp=sharing\" target=\"_blank\" rel=\"noopener\">\u03b7 \u03c4\u03b1\u03c7\u03c5\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03bf\u03c3<\/a><\/div>\n<\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03cc\u03c4\u03b9:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 \u03a4\u03bf \u03c6\u03c9\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03ba\u03cd\u03bc\u03b1, \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03ba\u03b5\u03bd\u03cc \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 3\u00d710<sup>8<\/sup>m\/s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03c3\u03c4\u03bf \u03ba\u03b5\u03bd\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03ce\u03b4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03b7\u03c2 \u03c6\u03cd\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae \u03c3\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c6\u03c9\u03c4\u03b5\u03b9\u03bd\u03ae\u03c2 \u03c0\u03b7\u03b3\u03ae\u03c2 (\u03b1\u03be\u03af\u03c9\u03bc\u03b1 \u03c4\u03bf\u03c5 Einstein).<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Richard Feynman: \u0397 \u03a4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03a6\u03c9\u03c4\u03cc\u03c2 \u0394\u0395\u039d \u0395\u03af\u03bd\u03b1\u03b9 \u039c\u03b9\u03b1 \u03a4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u2014 \u0391\u03c5\u03c4\u03cc \u0391\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b1 \u03a0\u03ac\u03bd\u03c4\u03b1\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/z8Piu2kRJqI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">3.3 \u039c\u0397\u039a\u039f\u03a3 \u039a\u03a5\u039c\u0391\u03a4\u039f\u03a3 \u039a\u0391\u0399 \u03a3\u03a5\u03a7\u039d\u039f\u03a4\u0397\u03a4\u0391 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3 \u039a\u0391\u03a4\u0391 TH \u0394\u0399\u0391\u0394\u039f\u03a3\u0397 \u03a4\u039f\u03a5<\/h3>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ebooks.edu.gr\/ebooks\/v\/html\/8547\/2682\/Fysiki_B-Lykeiou-Genikis-Paideias_html-empl\/index3_3.html\" target=\"_blank\" rel=\"noreferrer noopener\">\ud83d\udcd6\u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03bf \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull multimedia-zone\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">\ud83c\udfac \u03a0\u03bf\u03bb\u03c5\u03bc\u03ad\u03c3\u03b1<\/h2>\n\n\n\n<div class=\"wp-block-group alignfull canva-box\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group alignfull wp-container-content-ffc8cefc\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\" style=\"padding: 20px 20px; color: #888;\"><i class=\"fas fa-chalkboard-teacher\" style=\"font-size: 2em; margin-bottom: 15px;\"><\/i><br><strong>\u03a0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7<\/strong><br><\/p>\n\n\n<div class=\"_df_book df-lite\" id=\"df_4123\"  _slug=\"phl2_3_3_sl\" data-title=\"phl2_3_3_sl\" wpoptions=\"true\" thumbtype=\"\" ><\/div><script class=\"df-shortcode-script\" nowprocket type=\"application\/javascript\">window.option_df_4123 = {\"outline\":[],\"backgroundColor\":\"transperant\",\"autoEnableOutline\":\"false\",\"autoEnableThumbnail\":\"false\",\"overwritePDFOutline\":\"false\",\"direction\":\"1\",\"pageSize\":\"0\",\"source\":\"https:\\\/\\\/dkouzas.sites.sch.gr\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/PHL2_3_3_SL.pdf\",\"wpOptions\":\"true\"}; if(window.DFLIP && window.DFLIP.parseBooks){window.DFLIP.parseBooks();}<\/script>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<div class=\"wp-block-group alignfull wp-container-content-da09a7bf is-vertical is-content-justification-stretch\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\" style=\"padding: 20px 20px; color: #888;\"><i class=\"fas fa-video\" style=\"font-size: 2em; margin-bottom: 15px;\"><\/i><br><strong>\u0392\u03af\u03bd\u03c4\u03b5\u03bf \u039c\u03b1\u03b8\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong> <br><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"3.3 \u039c\u0397\u039a\u039f\u03a3 \u039a\u03a5\u039c\u0391\u03a4\u039f\u03a3 \u039a\u0391\u0399 \u03a3\u03a5\u03a7\u039d\u039f\u03a4\u0397\u03a4\u0391 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3 \u039a\u0391\u03a4\u0391 TH \u0394\u0399\u0391\u0394\u039f\u03a3\u0397 \u03a4\u039f\u03a5\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/rgrK_8wI-fQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<div class=\"wp-block-group alignfull\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\" style=\"padding: 20px 20px; color: #888;\"><i class=\"fas fa-info-circle\" style=\"font-size: 2em; margin-bottom: 15px;\"><\/i><br><strong>Infographic<\/strong><\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a40c6f5187a6&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a40c6f5187a6\" class=\"wp-block-image size-full wp-container-content-69bc4bdf wp-lightbox-container\"><img decoding=\"async\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/dkouzas.sites.sch.gr\/wp-content\/uploads\/2026\/04\/PHL2_3_3_IG.png\" alt=\"\" class=\"wp-image-4121\"\/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull action-grid-wrapper\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group alignfull dash-card border-orange\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading has-text-align-center icon-phet\">PHET<\/h3>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u0394\u03b9\u03ac\u03b8\u03bb\u03b1\u03c3\u03b7 \u03c6\u03c9\u03c4\u03cc\u03c2.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fb0dd413 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/phet.colorado.edu\/el\/simulations\/bending-light\" target=\"_blank\" rel=\"noopener noreferrer noopener\">\u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03c3\u03b7<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-buttons alignfull btn-primary is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/dkouzas.sites.sch.gr\/\" rel=\"\">\u0391\u03c1\u03c7\u03b9\u03ba\u03b7<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/dkouzas.sites.sch.gr\/?page_id=40\">\u039c\u0391\u0398\u0397\u039c\u0391\u03a4\u0391<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/dkouzas.sites.sch.gr\/?page_id=1386\">\u03a6\u03a5\u03a3\u0399\u039a\u0397 \u03b2 \u0393\u03a0<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>3.1 \u0397 \u03a6\u03a5\u03a3\u0397 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3 3.2 \u0397 \u03a4\u0391\u03a7\u03a5\u03a4\u0397\u03a4\u0391 \u03a4\u039f\u03a5 \u03a6\u03a9\u03a4\u039f\u03a3 \u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03cc\u03c4\u03b9: \u2022 \u03a4\u03bf \u03c6\u03c9\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03ba\u03cd\u03bc\u03b1, \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03ba\u03b5\u03bd\u03cc \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 3\u00d7108m\/s. \u2022 \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03c3\u03c4\u03bf \u03ba\u03b5\u03bd\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03ce\u03b4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03b7\u03c2 \u03c6\u03cd\u03c3\u03b7\u03c2. \u2022 \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/template-full-width.php","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-4044","post","type-post","status-publish","format-standard","hentry","category-185"],"_links":{"self":[{"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=\/wp\/v2\/posts\/4044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4044"}],"version-history":[{"count":10,"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=\/wp\/v2\/posts\/4044\/revisions"}],"predecessor-version":[{"id":4126,"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=\/wp\/v2\/posts\/4044\/revisions\/4126"}],"wp:attachment":[{"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dkouzas.sites.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}