{"common":{"save":0,"post_id":"8133","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9031","post_id":"8133","mon_id":"1159533","chapter_id":"1159595","question":"<p>Hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n x\u1ea3y ra khi:<\/p>","options":["<strong>A.<\/strong> &Aacute;nh s&aacute;ng \u0111i t\u1eeb m&ocirc;i tr\u01b0\u1eddng chi\u1ebft quang cao sang m&ocirc;i tr\u01b0\u1eddng chi\u1ebft quang th\u1ea5p v&agrave; g&oacute;c t\u1edbi l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng g&oacute;c gi\u1edbi h\u1ea1n ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n","<strong>B.<\/strong> &Aacute;nh s&aacute;ng \u0111i t\u1eeb m&ocirc;i tr\u01b0\u1eddng chi\u1ebft quang cao sang m&ocirc;i tr\u01b0\u1eddng chi\u1ebft quang th\u1ea5p v&agrave; g&oacute;c t\u1edbi nh\u1ecf &empty;h\u01a1n ho\u1eb7c b\u1eb1ng g&oacute;c gi\u1edbi h\u1ea1n ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n","<strong>C. <\/strong>&Aacute;nh s&aacute;ng truy\u1ec1n t\u1eeb m&ocirc;i tr\u01b0\u1eddng chi\u1ebft su\u1ea5t th\u1ea5p sang m&ocirc;i tr\u01b0\u1eddng chi\u1ebft su\u1ea5t l\u1edbn h\u01a1n.","<strong>D. <\/strong>G&oacute;c t\u1edbi b\u1eb1ng ho\u1eb7c nh\u1ecf h\u01a1n g&oacute;c kh&uacute;c x\u1ea1. "],"correct":"1","level":"1","hint":"<p>C&oacute; hai \u0111i\u1ec1u ki\u1ec7n c\u1ea7n tho\u1ea3 m&atilde;n.<\/p>","answer":"<p data-sourcepos=\"17:1-17:13\">\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:<strong>&nbsp;<span style=\"color:#16a085;\">A. &Aacute;nh s&aacute;ng \u0111i t\u1eeb m&ocirc;i tr\u01b0\u1eddng chi\u1ebft quang cao sang m&ocirc;i tr\u01b0\u1eddng chi\u1ebft quang th\u1ea5p v&agrave; g&oacute;c t\u1edbi l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng g&oacute;c gi\u1edbi h\u1ea1n ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n<\/span><\/strong><\/p><p data-sourcepos=\"19:1-19:171\">(V&iacute; d\u1ee5: &Aacute;nh s&aacute;ng trong s\u1ee3i quang h\u1ecdc: &Aacute;nh s&aacute;ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n li&ecirc;n t\u1ee5c trong l&otilde;i c\u1ee7a s\u1ee3i quang, gi&uacute;p truy\u1ec1n t&iacute;n hi\u1ec7u \u0111i xa m&agrave; kh&ocirc;ng b\u1ecb m\u1ea5t m&aacute;t n\u0103ng l\u01b0\u1ee3ng)<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"0","date":"2024-12-04 16:28:58","option_type":"txt","len":3},{"id":"9032","post_id":"8133","mon_id":"1159533","chapter_id":"1159595","question":"<p>G&oacute;c gi\u1edbi h\u1ea1n l&agrave;:<\/p>","options":["A. G&oacute;c t\u1edbi m&agrave; tia kh&uacute;c x\u1ea1 vu&ocirc;ng g&oacute;c v\u1edbi m\u1eb7t ph&acirc;n c&aacute;ch.","B. G&oacute;c t\u1edbi m&agrave; tia ph\u1ea3n x\u1ea1 vu&ocirc;ng g&oacute;c v\u1edbi m\u1eb7t ph&acirc;n c&aacute;ch.","<p data-sourcepos=\"27:1-27:59\">C. G&oacute;c t\u1edbi l\u1edbn nh\u1ea5t \u0111\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n.<\/p><p data-sourcepos=\"29:1-29:59\"> <\/p>","<p data-sourcepos=\"29:1-29:59\">D. G&oacute;c t\u1edbi nh\u1ecf nh\u1ea5t \u0111\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n.<\/p><p data-sourcepos=\"31:1-31:13\"> <\/p>"],"correct":"3","level":"1","hint":"","answer":"<p data-sourcepos=\"31:1-31:13\"><strong>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:&nbsp;<span style=\"color:#16a085;\">C. G&oacute;c t\u1edbi l\u1edbn nh\u1ea5t \u0111\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n.<\/span><\/strong><\/p><p data-sourcepos=\"33:1-33:202\">G&oacute;c gi\u1edbi h\u1ea1n l&agrave; g&oacute;c t\u1edbi l\u1edbn nh\u1ea5t m&agrave; t\u1ea1i \u0111&oacute;&nbsp;tia s&aacute;ng v\u1eabn c&oacute; th\u1ec3 kh&uacute;c x\u1ea1 ra kh\u1ecfi m\u1eb7t ph&acirc;n c&aacute;ch gi\u1eefa hai m&ocirc;i tr\u01b0\u1eddng.<\/p><p data-sourcepos=\"33:1-33:202\">Khi g&oacute;c t\u1edbi l\u1edbn h\u01a1n g&oacute;c gi\u1edbi h\u1ea1n, hi\u1ec7n t\u01b0\u1ee3ng <strong>ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n<\/strong> x\u1ea3y ra, v&agrave; to&agrave;n b\u1ed9 &aacute;nh s&aacute;ng s\u1ebd b\u1ecb ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i m&ocirc;i tr\u01b0\u1eddng c&oacute; chi\u1ebft su\u1ea5t cao, kh&ocirc;ng c&ograve;n tia kh&uacute;c x\u1ea1.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"0","date":"2024-12-04 16:43:56","option_type":"txt","len":3},{"id":"9076","post_id":"8133","mon_id":"1159533","chapter_id":"1159595","question":"<p>Hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong thi\u1ebft b\u1ecb n&agrave;o sau \u0111&acirc;y?<\/p>","options":["A. G\u01b0\u01a1ng ph\u1eb3ng ","B. L\u0103ng k&iacute;nh ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n","C. Th\u1ea5u k&iacute;nh h\u1ed9i t\u1ee5","D. M&aacute;y chi\u1ebfu "],"correct":"2","level":"1","hint":"<p>Trong m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb quang h\u1ecdc, l\u0103ng k&iacute;nh gi&uacute;p truy\u1ec1n &aacute;nh s&aacute;ng m&agrave; kh&ocirc;ng l&agrave;m gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 do m\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/p>","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:&nbsp;<span style=\"color:#16a085;\"><strong>B. L\u0103ng k&iacute;nh ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><\/span>L\u0103ng k&iacute;nh ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tia s&aacute;ng t\u1edbi g\u1eb7p m\u1eb7t ph\u1eb3ng l\u0103ng k&iacute;nh v\u1edbi g&oacute;c t\u1edbi l\u1edbn h\u01a1n g&oacute;c gi\u1edbi h\u1ea1n, gi&uacute;p &aacute;nh s&aacute;ng ph\u1ea3n x\u1ea1 to&agrave;n ph\u1ea7n, kh&ocirc;ng b\u1ecb m\u1ea5t&nbsp;n\u0103ng l\u01b0\u1ee3ng.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"125","test":"0","date":"2024-12-06 21:47:44","option_type":"txt","len":2}]}