{"id":213633,"date":"2024-11-04T04:55:42","date_gmt":"2024-11-04T04:55:42","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213633"},"modified":"2024-11-04T04:55:42","modified_gmt":"2024-11-04T04:55:42","slug":"%ea%b5%b4%ec%a0%88%eb%a5%a0%ec%9d%b4%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b4%eb%a9%b0-%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ec%86%8d%eb%8f%84%ec%99%80-%eb%b0%a9%ed%96%a5%ec%97%90-%ec%96%b4","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ea%b5%b4%ec%a0%88%eb%a5%a0%ec%9d%b4%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b4%eb%a9%b0-%ec%a0%84%ec%9e%90%ea%b8%b0%ed%8c%8c%ec%9d%98-%ec%86%8d%eb%8f%84%ec%99%80-%eb%b0%a9%ed%96%a5%ec%97%90-%ec%96%b4\/","title":{"rendered":"\uad74\uc808\ub960\uc774\ub780 \ubb34\uc5c7\uc774\uba70, \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc640 \ubc29\ud5a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uac00?"},"content":{"rendered":"<p class=\"sidekick\">\uad74\uc808\ub960\uc774\ub780 \ubb34\uc5c7\uc774\uba70 \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc640 \ubc29\ud5a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud558\ub294 \uae30\uc0ac\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\ud559 \uae30\ucd08\ub97c \uc27d\uac8c \uc774\ud574\ud558\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uad74\uc808\ub960\uc774\ub780 \ubb34\uc5c7\uc774\uba70, \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc640 \ubc29\ud5a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uac00?<\/h2>\n<p>\uad74\uc808\ub960\uc774\ub780 \ube5b\uc774\ub098 \uc804\uc790\uae30\ud30c\uac00 \ud55c \ub9e4\uc9c8\uc5d0\uc11c \ub2e4\ub978 \ub9e4\uc9c8\ub85c \uc774\ub3d9\ud560 \ub54c \uc18d\ub3c4\uac00 \ubcc0\ud558\ub294 \uc815\ub3c4\ub97c \ub098\ud0c0\ub0b4\ub294 \uac12\uc785\ub2c8\ub2e4. \uad74\uc808\ub960\uc740 \ub9e4\uc9c8\uc758 \uc131\uc9c8\uc5d0 \ub530\ub77c \ub2e4\ub974\uba70, \uc774\ub294 \uc804\uc790\uae30\ud30c\uc758 \uacbd\ub85c\uc640 \uc18d\ub3c4\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uad74\uc808\ub960\uc740 \uc544\ub798\uc758 \uc218\uc2dd\uc73c\ub85c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\n<nobr><i>n<\/i> = <sup>c<\/sup>\/<sub>v<\/sub><\/nobr>\n<\/p>\n<p>\uc5ec\uae30\uc11c <i>n<\/i>\uc740 \uad74\uc808\ub960, <i>c<\/i>\ub294 \uc9c4\uacf5\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4(\uc57d 3.00 x 10<sup>8<\/sup> m\/s), <i>v<\/i>\ub294 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4\uc785\ub2c8\ub2e4. \uad74\uc808\ub960\uc740 \ud56d\uc0c1 1 \uc774\uc0c1\uc774\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ubb3c\uc9c8\uc774 \ubc00\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \ub354 \ucee4\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\uad74\uc808\ub960\uc774 \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h2>\n<p>\uc804\uc790\uae30\ud30c\ub294 \ub9e4\uc9c8\uc758 \uad74\uc808\ub960\uc5d0 \ub530\ub77c \uc18d\ub3c4\uac00 \ubcc0\ud569\ub2c8\ub2e4. \uad74\uc808\ub960\uc774 \ub192\uc740 \ub9e4\uc9c8\uc5d0\uc11c\ub294 \uc18d\ub3c4\uac00 \ub290\ub824\uc9c0\uace0, \ub0ae\uc740 \ub9e4\uc9c8\uc5d0\uc11c\ub294 \uc18d\ub3c4\uac00 \ube68\ub77c\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uad74\uc808\ub960\uc774 1.5\uc778 \uc720\ub9ac\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\n<nobr>v = <sup>c<\/sup>\/<sub>n<\/sub> = <sup>3.00 x 10<sup>8<\/sup> m\/s<\/sup>\/<sub>1.5<\/sub> \u2248 2.00 x 10<sup>8<\/sup> m\/s<\/nobr>\n<\/p>\n<p>\uc774\ucc98\ub7fc \uc720\ub9ac \ub0b4\ubd80\uc5d0\uc11c\ub294 \uc18d\ub3c4\uac00 \ub290\ub824\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\uad74\uc808\ub960\uc774 \uc804\uc790\uae30\ud30c\uc758 \ubc29\ud5a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h2>\n<p>\uc804\uc790\uae30\ud30c\uac00 \ud55c \ub9e4\uc9c8\uc5d0\uc11c \ub2e4\ub978 \ub9e4\uc9c8\ub85c \uc774\ub3d9\ud560 \ub54c, \uad74\uc808\ub960 \ucc28\uc774\uc5d0 \uc758\ud574 \uacbd\ub85c\uac00 \uad74\uc808\ub429\ub2c8\ub2e4. \uc774\ub294 \uc2a4\ub12c\uc758 \ubc95\uce59(Snell&#8217;s Law)\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\n<nobr>n<sub>1<\/sub>sin\u03b8<sub>1<\/sub> = n<sub>2<\/sub>sin\u03b8<sub>2<\/sub><\/nobr>\n<\/p>\n<p>\uc5ec\uae30\uc11c n<sub>1<\/sub>\uacfc n<sub>2<\/sub>\ub294 \uac01\uac01 \uccab \ubc88\uc9f8\uc640 \ub450 \ubc88\uc9f8 \ub9e4\uc9c8\uc758 \uad74\uc808\ub960, \u03b8<sub>1<\/sub>\uacfc \u03b8<sub>2<\/sub>\ub294 \uac01\uac01 \uc785\uc0ac\uac01\uacfc \uad74\uc808\uac01\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uacf5\uae30(\uad74\uc808\ub960 n \u2248 1)\uc5d0\uc11c \uc720\ub9ac(\uad74\uc808\ub960 n \u2248 1.5)\ub85c \ube5b\uc774 \ub4e4\uc5b4\uac08 \ub54c \uc785\uc0ac\uac01 \u03b8<sub>1<\/sub>\uc774 30\ub3c4\ub77c\uba74, \uad74\uc808\uac01 \u03b8<sub>2<\/sub>\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p>\n<nobr>1sin(30\u00b0) = 1.5sin\u03b8<sub>2<\/sub><\/nobr>\n<\/p>\n<p>\ub530\ub77c\uc11c<\/p>\n<p>\n<nobr>0.5 = 1.5sin\u03b8<sub>2<\/sub><\/nobr>\n<\/p>\n<p>\u03b8<sub>2<\/sub> \u2248 19.5\ub3c4<\/p>\n<p>\uc774\ub294 \ube5b\uc774 \ub354 \ub192\uc740 \uad74\uc808\ub960\uc744 \uac00\uc9c4 \ubb3c\uc9c8\ub85c \ub4e4\uc5b4\uac08 \ub54c \uad74\uc808\uac01\uc774 \uc791\uc544\uc9c4\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\uc640 \uac19\uc740 \uc6d0\ub9ac\ub85c \uc778\ud574 \ub80c\uc988, \ud504\ub9ac\uc998, \uc548\uacbd \ub4f1 \ub2e4\uc591\ud55c \uad11\ud559\uae30\uae30\uac00 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc640 \ubc29\ud5a5\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \uad74\uc808\ub960\uc758 \ud2b9\uc131\uc740 \uad11\ud559\uacfc \ub2e4\uc591\ud55c \uae30\uc220 \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uad74\uc808\ub960\uc774\ub780 \ubb34\uc5c7\uc774\uba70 \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc640 \ubc29\ud5a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc124\uba85\ud558\ub294 \uae30\uc0ac\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\ud559 \uae30\ucd08\ub97c \uc27d\uac8c \uc774\ud574\ud558\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[101],"tags":[],"class_list":["post-213633","post","type-post","status-publish","format-standard","hentry","category-101","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uad74\uc808\ub960\uc774\ub780 \ubb34\uc5c7\uc774\uba70, \uc804\uc790\uae30\ud30c\uc758 \uc18d\ub3c4\uc640 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