{"id":43076,"date":"2014-12-22T03:00:00","date_gmt":"2014-12-22T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=cae394752a02bf90cbba4af41526af54"},"modified":"2014-12-22T03:00:00","modified_gmt":"2014-12-22T00:00:00","slug":"using-the-missing-pin-to-challenge-concepts-of-refraction-and-total-internal-reflection","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=43076","title":{"rendered":"Using the missing pin to challenge concepts of refraction and total internal reflection"},"content":{"rendered":"<p>A container was placed on top of a piece of white paper, and a pin positioned so that it vertically<br \/>\ntouched an outside wall of the container. Students were asked to predict the image of the pin when<br \/>\nit was observed from the top of the container. Two scenarios of either an empty container or a<br \/>\ncontainer completely filled with water were considered in order to raise students\u2019 thinking<br \/>\ninvolving the concepts of refraction and total internal reflection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A container was placed on top of a piece of white paper, and a pin positioned so that it vertically<br \/>\ntouched an outside wall of the container. Students were asked to predict the image of the pin when<br \/>\nit was observed from the top of the container. Two &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-43076","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/43076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=43076"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/43076\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=43076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=43076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=43076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}