{"id":3153,"date":"2014-09-20T13:05:36","date_gmt":"2014-09-20T12:05:36","guid":{"rendered":"https:\/\/tipyjakfotit.cz\/?page_id=3153"},"modified":"2014-09-21T14:16:21","modified_gmt":"2014-09-21T13:16:21","slug":"difrakce","status":"publish","type":"page","link":"https:\/\/tipyjakfotit.cz\/foto-slovnik\/difrakce\/","title":{"rendered":"Difrakce"},"content":{"rendered":"<p>Difrakce neboli ohyb je fyzik\u00e1ln\u00ed jev, p\u0159i kter\u00e9m se vlny dost\u00e1vaj\u00ed do oblasti geometrick\u00e9ho st\u00ednu, \u010dili paprsky sv\u011btla se za p\u0159ek\u00e1\u017ekou \u201eoh\u00fdbaj\u00ed\u201c. Vyskytuje se na mnoh\u00fdm m\u00edstech, nicm\u00e9n\u011b lidsk\u00e9 oko ji m\u00e1lokdy post\u0159ehne. Clona je jedn\u00edm z\u00a0t\u011bchto m\u00e1la m\u00edst, kde m\u016f\u017eete difrakci pozorovat.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-3155\" src=\"https:\/\/tipyjakfotit.cz\/wp-content\/uploads\/2014\/09\/Night_Lights_64945448651.jpg\" alt=\"Difrakce\" width=\"600\" height=\"400\" srcset=\"https:\/\/tipyjakfotit.cz\/wp-content\/uploads\/2014\/09\/Night_Lights_64945448651.jpg 600w, https:\/\/tipyjakfotit.cz\/wp-content\/uploads\/2014\/09\/Night_Lights_64945448651-300x200.jpg 300w, https:\/\/tipyjakfotit.cz\/wp-content\/uploads\/2014\/09\/Night_Lights_64945448651-90x60.jpg 90w, https:\/\/tipyjakfotit.cz\/wp-content\/uploads\/2014\/09\/Night_Lights_64945448651-150x100.jpg 150w, https:\/\/tipyjakfotit.cz\/wp-content\/uploads\/2014\/09\/Night_Lights_64945448651-400x266.jpg 400w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Z\u00a0p\u0159edchoz\u00edch \u010dl\u00e1nk\u016f v\u00edme, \u017ee uvnit\u0159 clony se skr\u00fdvaj\u00ed lamely, kter\u00e9 propou\u0161t\u011bj\u00ed sv\u011btlo \u2013 pr\u00e1v\u011b na hran\u00e1ch t\u011bchto lamel se sv\u011btlo oh\u00fdb\u00e1, a vznik\u00e1 tak lehk\u00e9 rozost\u0159en\u00ed. Pokud je clona dostate\u010dn\u011b otev\u0159en\u00e1, vliv difrakce nebude viditeln\u00fd, nicm\u00e9n\u011b v\u00a0p\u0159\u00edpad\u011b nastaven\u00ed vy\u0161\u0161\u00edho clonov\u00e9ho \u010d\u00edsla (16+) je \u0161t\u011brbina mezi lamelami velmi \u00fazk\u00e1 a difrakce za\u010d\u00edn\u00e1 b\u00fdt znateln\u00e1.<\/p>\n<p>&nbsp;<\/p>\n<p>Nicm\u00e9n\u011b difrakce m\u00e1 za n\u00e1sledek tak\u00e9 jeden p\u0159\u00edjemn\u00fd hv\u011bzdicovit\u00fd efekt, nejl\u00e9pe pozorovateln\u00fd na pouli\u010dn\u00edm osv\u011btlen\u00ed. V\u00a0p\u0159\u00edpad\u011b n\u00edzk\u00e9ho clonov\u00e9ho \u010d\u00edsla jsou paprsky kolem lamp sotva post\u0159ehnuteln\u00e9, kde\u017eto p\u0159i nejvy\u0161\u0161\u00edm mo\u017en\u00e9m clonov\u00e9m \u010d\u00edsle vid\u00edte paprsky naprosto jasn\u011b.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Difrakce neboli ohyb je fyzik\u00e1ln\u00ed jev, p\u0159i kter\u00e9m se vlny dost\u00e1vaj\u00ed do oblasti geometrick\u00e9ho st\u00ednu, \u010dili paprsky sv\u011btla se za p\u0159ek\u00e1\u017ekou \u201eoh\u00fdbaj\u00ed\u201c. Vyskytuje se na mnoh\u00fdm m\u00edstech, nicm\u00e9n\u011b lidsk\u00e9 oko ji m\u00e1lokdy post\u0159ehne. Clona je jedn\u00edm z\u00a0t\u011bchto m\u00e1la m\u00edst, kde m\u016f\u017eete difrakci pozorovat. Z\u00a0p\u0159edchoz\u00edch \u010dl\u00e1nk\u016f v\u00edme, \u017ee uvnit\u0159 clony se skr\u00fdvaj\u00ed lamely, kter\u00e9 propou\u0161t\u011bj\u00ed sv\u011btlo [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2599,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/pages\/3153"}],"collection":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/comments?post=3153"}],"version-history":[{"count":0,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/pages\/3153\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/pages\/2599"}],"wp:attachment":[{"href":"https:\/\/tipyjakfotit.cz\/wp-json\/wp\/v2\/media?parent=3153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}