{"id":1762,"date":"2024-05-06T10:49:40","date_gmt":"2024-05-13T08:14:18","guid":{"rendered":"https:\/\/experiments.school\/?post_type=product&#038;p=1762"},"modified":"2024-05-13T10:14:18","modified_gmt":"2024-05-13T08:14:18","slug":"036-refraction-of-light-at-the-surface-of-the-water","status":"publish","type":"product","link":"https:\/\/experiments.school\/en\/product\/036-refraction-of-light-at-the-surface-of-the-water\/","title":{"rendered":"036 &#8211; Refraction of light at the surface of the water\u00a0"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<h2><b><span data-contrast=\"auto\">Light doesn&#8217;t always go straight ahead\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<p>&nbsp;<\/p>\n<h2><span data-contrast=\"auto\">Introduction to:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">Refraction of light\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Observation and explication of light refraction <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n[video width=\"1440\" height=\"1440\" mp4=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/36-video-Tasse-end.mp4\"][\/video]\n<p>&nbsp;<\/p>\n<h2><span data-contrast=\"auto\">Material:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">Cup (large) <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Coin\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Glue\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Pin\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><span data-contrast=\"auto\">Execution:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">Glue the coin to the bottom of the cup and press it down with the pen\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Look over the edge so that you can&#8217;t see the coin anymore\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Now carefully pour water into the cup\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Be careful not to change your perspective\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><span data-contrast=\"auto\">Observation:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">As the water is poured, the coin reappears in view.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><span data-contrast=\"auto\">Explication:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">A beam of light emanating from the coin enters the eye, even though the coin is behind the rim of the cup. This is possible because of the bend that the light beam experiences due to refraction on the surface of the water.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><span data-contrast=\"auto\">Tip:\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">If the coin is not glued, there is a risk that it will slip when the water is poured.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><span data-contrast=\"auto\">Assignment:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<ul>\n<li><span data-contrast=\"auto\">For both cases (without and with water in the cup), draw the path of the light steel from the coin to the eye!<\/span><\/li>\n<li><span data-contrast=\"auto\">Keep in mind that the light beam will bend at the surface of the water! <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><span data-contrast=\"auto\">Solution of assignment:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<p><a href=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1761\" src=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36-300x169.jpg 300w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36-1024x576.jpg 1024w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36-768x432.jpg 768w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36-620x349.jpg 620w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/04\/Loesung-Arbeitsauftrag-36.jpg 1152w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"featured_media":1763,"template":"","meta":[],"product_brand":[],"product_cat":[966,875,880,882],"product_tag":[],"class_list":{"0":"post-1762","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-3-refraction","7":"product_cat-c-optics","8":"product_cat-g-magic-tricks-en","9":"product_cat-j-physics-of-the-kitchen","10":"","11":"woocommerce-text-align-left","12":"woocommerce-image-align-center","14":"first","15":"instock","16":"shipping-taxable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product\/1762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/media\/1763"}],"wp:attachment":[{"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/media?parent=1762"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product_brand?post=1762"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product_cat?post=1762"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/experiments.school\/en\/wp-json\/wp\/v2\/product_tag?post=1762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}