{"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 toàn ph\u1ea7n x\u1ea3y ra khi:<\/p>","options":["<strong>A.<\/strong> Ánh sáng \u0111i t\u1eeb môi tr\u01b0\u1eddng chi\u1ebft quang cao sang môi tr\u01b0\u1eddng chi\u1ebft quang th\u1ea5p và góc t\u1edbi l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng góc gi\u1edbi h\u1ea1n ph\u1ea3n x\u1ea1 toàn ph\u1ea7n","<strong>B.<\/strong> Ánh sáng \u0111i t\u1eeb môi tr\u01b0\u1eddng chi\u1ebft quang cao sang môi tr\u01b0\u1eddng chi\u1ebft quang th\u1ea5p và góc t\u1edbi nh\u1ecf ∅h\u01a1n ho\u1eb7c b\u1eb1ng góc gi\u1edbi h\u1ea1n ph\u1ea3n x\u1ea1 toàn ph\u1ea7n","<strong>C. <\/strong>Ánh sáng truy\u1ec1n t\u1eeb môi tr\u01b0\u1eddng chi\u1ebft su\u1ea5t th\u1ea5p sang môi tr\u01b0\u1eddng chi\u1ebft su\u1ea5t l\u1edbn h\u01a1n.","<strong>D. <\/strong>Góc t\u1edbi b\u1eb1ng ho\u1eb7c nh\u1ecf h\u01a1n góc khúc x\u1ea1. "],"correct":"1","level":"1","hint":"<p>Có hai \u0111i\u1ec1u ki\u1ec7n c\u1ea7n tho\u1ea3 mãn.<\/p>","answer":"<p data-sourcepos=\"17:1-17:13\">\u0110áp án \u0111úng là:<strong> <span style=\"color:#16a085;\">A. Ánh sáng \u0111i t\u1eeb môi tr\u01b0\u1eddng chi\u1ebft quang cao sang môi tr\u01b0\u1eddng chi\u1ebft quang th\u1ea5p và góc t\u1edbi l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng góc gi\u1edbi h\u1ea1n ph\u1ea3n x\u1ea1 toàn ph\u1ea7n<\/span><\/strong><\/p><p data-sourcepos=\"19:1-19:171\">(Ví d\u1ee5: Ánh sáng trong s\u1ee3i quang h\u1ecdc: Ánh sáng ph\u1ea3n x\u1ea1 toàn ph\u1ea7n liên t\u1ee5c trong lõi c\u1ee7a s\u1ee3i quang, giúp truy\u1ec1n tín hi\u1ec7u \u0111i xa mà không b\u1ecb m\u1ea5t mát 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>Góc gi\u1edbi h\u1ea1n là:<\/p>","options":["A. Góc t\u1edbi mà tia khúc x\u1ea1 vuông góc v\u1edbi m\u1eb7t phân cách.","B. Góc t\u1edbi mà tia ph\u1ea3n x\u1ea1 vuông góc v\u1edbi m\u1eb7t phân cách.","<p data-sourcepos=\"27:1-27:59\">C. Góc t\u1edbi l\u1edbn nh\u1ea5t \u0111\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 toàn ph\u1ea7n.<\/p><p data-sourcepos=\"29:1-29:59\"> <\/p>","<p data-sourcepos=\"29:1-29:59\">D. Góc t\u1edbi nh\u1ecf nh\u1ea5t \u0111\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 toàn 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>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\">C. Góc t\u1edbi l\u1edbn nh\u1ea5t \u0111\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 toàn ph\u1ea7n.<\/span><\/strong><\/p><p data-sourcepos=\"33:1-33:202\">Góc gi\u1edbi h\u1ea1n là góc t\u1edbi l\u1edbn nh\u1ea5t mà t\u1ea1i \u0111ó tia sáng v\u1eabn có th\u1ec3 khúc x\u1ea1 ra kh\u1ecfi m\u1eb7t phân cách gi\u1eefa hai môi tr\u01b0\u1eddng.<\/p><p data-sourcepos=\"33:1-33:202\">Khi góc t\u1edbi l\u1edbn h\u01a1n góc gi\u1edbi h\u1ea1n, hi\u1ec7n t\u01b0\u1ee3ng <strong>ph\u1ea3n x\u1ea1 toàn ph\u1ea7n<\/strong> x\u1ea3y ra, và toàn b\u1ed9 ánh sáng s\u1ebd b\u1ecb ph\u1ea3n x\u1ea1 tr\u1edf l\u1ea1i môi tr\u01b0\u1eddng có chi\u1ebft su\u1ea5t cao, không còn tia khúc 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 toàn ph\u1ea7n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong thi\u1ebft b\u1ecb nào sau \u0111ây?<\/p>","options":["A. G\u01b0\u01a1ng ph\u1eb3ng ","B. L\u0103ng kính ph\u1ea3n x\u1ea1 toàn ph\u1ea7n","C. Th\u1ea5u kính h\u1ed9i t\u1ee5","D. Máy chi\u1ebfu "],"correct":"2","level":"1","hint":"<p>Trong m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb quang h\u1ecdc, l\u0103ng kính giúp truy\u1ec1n ánh sáng mà không làm gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 do m\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. L\u0103ng kính ph\u1ea3n x\u1ea1 toàn ph\u1ea7n<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><\/span>L\u0103ng kính ph\u1ea3n x\u1ea1 toàn ph\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tia sáng t\u1edbi g\u1eb7p m\u1eb7t ph\u1eb3ng l\u0103ng kính v\u1edbi góc t\u1edbi l\u1edbn h\u01a1n góc gi\u1edbi h\u1ea1n, giúp ánh sáng ph\u1ea3n x\u1ea1 toàn ph\u1ea7n, không b\u1ecb m\u1ea5t 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}]}