{"id":1871,"date":"2024-05-13T09:50:35","date_gmt":"2024-05-13T08:06:36","guid":{"rendered":"https:\/\/experiments.school\/?post_type=product&#038;p=1871"},"modified":"2024-05-13T10:06:36","modified_gmt":"2024-05-13T08:06:36","slug":"197-reflexion-multiple","status":"publish","type":"product","link":"https:\/\/experiments.school\/fr\/produkt\/197-reflexion-multiple\/","title":{"rendered":"197 &#8211; Refl\u00e9xion multiple"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<h2><span data-contrast=\"auto\">Introduction \u00e0:<\/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\">R\u00e9flexion<\/span><\/li>\n<li><span data-contrast=\"auto\">Transmission<\/span><\/li>\n<li><span data-contrast=\"auto\">R\u00e9fraction\u00a0 <\/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\/05\/197-video-end.mp4\"][\/video]\n<p>&nbsp;<\/p>\n<h2><span data-contrast=\"auto\">Mat\u00e9riel:\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\">Note de s\u00e9curit\u00e9 : Risque d\u2019endommagement de la r\u00e9tine, utilisez donc des LASERS \u00e0 faible puissance de rayonnement. Ne travaillez jamais sans lunettes de s\u00e9curit\u00e9 LASER !)\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\">Miroir (avec une plaque de verre aussi \u00e9paisse que possible, \u00e9paisseur d\u2019au moins 5 mm)\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\">Surface de projection (par exemple, feuille de papier blanche)\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\">Instructions:<\/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\">\u00c9clairez le miroir avec le pointeur laser \u00e0 un angle d\u2019environ 30\u00b0-45\u00b0. Respectez les consignes de s\u00e9curit\u00e9 !\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\">Capturez la lueur sur un \u00e9cran de projection perpendiculaire \u00e0 celui-ci.\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\">Nous pouvons voir au moins trois points de lumi\u00e8re sur la surface de projection, le deuxi\u00e8me en partant du haut est le plus brillant.\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<p><span data-contrast=\"auto\">Sch\u00e9ma de principe :<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/05\/197-SchemazeichnungProduktbild.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1867\" src=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/05\/197-SchemazeichnungProduktbild-300x149.jpg\" alt=\"\" width=\"300\" height=\"149\" srcset=\"https:\/\/experiments.school\/wp-content\/uploads\/2024\/05\/197-SchemazeichnungProduktbild-300x149.jpg 300w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/05\/197-SchemazeichnungProduktbild-768x381.jpg 768w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/05\/197-SchemazeichnungProduktbild-620x308.jpg 620w, https:\/\/experiments.school\/wp-content\/uploads\/2024\/05\/197-SchemazeichnungProduktbild.jpg 995w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<ul>\n<li><span data-contrast=\"auto\">1 plaque de verre du miroir\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\">2 Dessous en miroir de la plaque de verre\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\">3 Haut de la plaque de verre\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\">4 faisceaux lumineux incidents (LASER)\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\">5 Faisceau r\u00e9fl\u00e9chi directement sur la plaque de verre\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\">6 faisceau r\u00e9fl\u00e9chi sur le miroir et r\u00e9fract\u00e9 deux fois\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\">7 faisceau r\u00e9fl\u00e9chi deux fois sur le miroir\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\">Le point lumineux sup\u00e9rieur 5 est cr\u00e9\u00e9 par la r\u00e9flexion en haut de la plaque de verre du miroir. Le point lumineux le plus brillant 6 est caus\u00e9 par la r\u00e9flexion sur la face inf\u00e9rieure r\u00e9fl\u00e9chissante de la plaque de verre. La lumi\u00e8re est r\u00e9fract\u00e9e deux fois, \u00e0 l\u2019entr\u00e9e et \u00e0 la sortie du verre. Le troisi\u00e8me point lumineux 7 est cr\u00e9\u00e9 par une seule r\u00e9flexion de l\u2019int\u00e9rieur en haut de la plaque de verre du miroir et une r\u00e9flexion renouvel\u00e9e sur la face inf\u00e9rieure en miroir.\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\">Tous les autres points de lumi\u00e8re visibles sont caus\u00e9s par de multiples reflets sur le miroir et sur la surface du verre.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n","protected":false},"featured_media":1873,"template":"","meta":[],"product_brand":[],"product_cat":[964,967,885],"product_tag":[],"class_list":{"0":"post-1871","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-2-reflexion-fr","7":"product_cat-3-refraction-fr","8":"product_cat-c-optique-fr","9":"","10":"woocommerce-text-align-left","11":"woocommerce-image-align-center","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/product\/1871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/media\/1873"}],"wp:attachment":[{"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/media?parent=1871"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/product_brand?post=1871"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/product_cat?post=1871"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/experiments.school\/fr\/wp-json\/wp\/v2\/product_tag?post=1871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}