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{"id":24674,"date":"2018-03-30T13:11:37","date_gmt":"2018-03-30T06:11:37","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=24674"},"modified":"2018-03-30T13:11:37","modified_gmt":"2018-03-30T06:11:37","slug":"chuong-6-bai-31-hien-tuong-quang-dien-trong","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/chuong-6-bai-31-hien-tuong-quang-dien-trong\/","title":{"rendered":"Ch\u01b0\u01a1ng 6 – B\u00e0i 31: Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong"},"content":{"rendered":"

B\u00e0i 1 (trang 162 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Ch\u1ea5t quang d\u1eabn l\u00e0 g\u00ec?<\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

–\u00a0Ch\u1ea5t quang d\u1eabn:<\/b>\u00a0l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n k\u00e9m khi kh\u00f4ng \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng v\u00e0 tr\u1edf th\u00e0nh d\u1eabn \u0111i\u1ec7n t\u1ed1t khi \u0111\u01b0\u1ee3c chi\u1ebfu \u00e1nh s\u00e1ng th\u00edch h\u1ee3p.<\/p>\n

B\u00e0i 2 (trang 162 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong l\u00e0 g\u00ec ? Gi\u1ea3i th\u00edch t\u00ednh quang d\u1eabn c\u1ee7a m\u1ed9t ch\u1ea5t.<\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong : l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u00e1nh s\u00e1ng l\u00e0m b\u1ee9t c\u00e1c electron li\u00ean k\u1ebft th\u00e0nh c\u00e1c electron d\u1eabn.<\/p>\n

Gi\u1ea3i th\u00edch t\u00ednh quang d\u1eabn c\u1ee7a m\u1ed9t ch\u1ea5t :<\/p>\n

Khi kh\u00f4ng b\u1ecb chi\u1ebfu s\u00e1ng, c\u00e1c electron trong ch\u1ea5t quang d\u1eabn \u0111\u1ec1u \u1edf tr\u1ea1ng th\u00e1i li\u00ean k\u1ebft v\u1edbi ion \u1edf n\u00fat m\u1ea1ng tinh th\u1ec3. Kh\u00f4ng c\u00f3 electron t\u1ef1 do n\u00ean ch\u1ea5t quang d\u1eabn c\u00e1ch \u0111i\u1ec7n.<\/p>\n

Khi chi\u1ebfu s\u00e1ng ch\u1ea5t quang d\u1eabn, m\u1ed7i photon c\u1ee7a \u00e1nh s\u00e1ng k\u00edch th\u00edch s\u1ebd truy\u1ec1n to\u00e0n b\u1ed9 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a n\u00f3 cho m\u1ed9t electron li\u00ean k\u1ebft. N\u1ebfu n\u0103ng l\u01b0\u1ee3ng m\u00e0 electron nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ee7 l\u1edbn th\u00ec electron \u0111\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng kh\u1ecfi li\u00ean k\u1ebft tr\u1edf th\u00e0nh electron d\u1eabn. M\u1eb7t kh\u00e1c, m\u1ed7i electron li\u00ean k\u1ebft \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u0111\u1ec3 l\u1ea1i m\u1ed9t l\u1ed7 tr\u1ed1ng. L\u1ed7 tr\u1ed1ng n\u00e0y c\u0169ng tham gia v\u00e0o qu\u00e1 tr\u00ecnh d\u1eabn \u0111i\u1ec7n. K\u1ebft qu\u1ea3 l\u00e0 ch\u1ea5t n\u00f3i tr\u00ean d\u1eabn \u0111i\u1ec7n.<\/p>\n

B\u00e0i 3 (trang 162 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Tr\u00ecnh b\u00e0y c\u1ea5u t\u1ea1o v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t pin quang \u0111i\u1ec7n.<\/span><\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

\"Gi\u1ea3i<\/p>\n

– C\u1ea5u t\u1ea1o:<\/p>\n

Pin c\u00f3 m\u1ed9t t\u1ea5m b\u00e1n d\u1eabn kim lo\u1ea1i n, b\u00ean tr\u00ean c\u00f3 ph\u1ee7 m\u1ed9t l\u1edbp m\u1ecfng b\u00e1n d\u1eabn lo\u1ea1i p.<\/p>\n

Tr\u00ean c\u00f9ng l\u00e0 m\u1ed9t l\u1edbp kim lo\u1ea1i r\u1ea5t m\u1ecfng. D\u01b0\u1edbi c\u00f9ng l\u00e0 m\u1ed9t \u0111\u1ebf kim lo\u1ea1i. C\u00e1c kim lo\u1ea1i n\u00e0y \u0111\u00f3ng vai tr\u00f2 c\u00e1c \u0111i\u1ec7n c\u1ef1c tr\u01a1.<\/p>\n

– Ho\u1ea1t \u0111\u1ed9ng: D\u1ef1a v\u00e0o hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong x\u1ea3y ra b\u00ean c\u1ea1nh m\u1ed9t l\u1edbp ch\u1eb7n.<\/p>\n

\u00c1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng th\u00edch h\u1ee3p r\u1ecdi v\u00e0o \u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng + (trong su\u1ed1t) v\u00e0o l\u1edbp b\u00e1n d\u1eabn loai p.<\/p>\n

T\u1ea1i l\u1edbp p, x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong t\u1ea1o th\u00e0nh l\u1ed7 tr\u1ed1ng v\u00e0 electron quang \u0111i\u1ec7n.<\/p>\n

\u0110i\u1ec7n tr\u01b0\u1eddng l\u1edbp ti\u1ebfp x\u00fac p – n \u0111\u1ea9y l\u1ed7 tr\u1ed1ng v\u1ec1 l\u1edbp p v\u00e0 \u0111\u1ea9y e v\u1ec1 l\u1edbp n.<\/p>\n

L\u1edbp kim lo\u1ea1i m\u1ecfng nhi\u1ec5m \u0111i\u1ec7n d\u01b0\u01a1ng.<\/p>\n

Ph\u1ea7n \u0111\u1ebf ti\u1ebfp x\u00fac v\u1edbi l\u1edbp n nhi\u1ec5m \u0111i\u1ec7n \u00e2m tr\u1edf th\u00e0nh c\u1ef1c \u00e2m.<\/p>\n

B\u00e0i 4 (trang 162 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0H\u00e3y gh\u00e9p n\u1eeda c\u00e2u \u1edf ph\u1ea7n tr\u00ean v\u1edbi n\u1eeda c\u00e2u t\u01b0\u01a1ng \u1ee9ng \u1edf ph\u1ea7n d\u01b0\u1edbi \u0111\u1ec3 th\u00e0nh m\u1ed9t c\u00e2u c\u00f3 n\u1ed9i dung \u0111\u00fang.<\/span><\/p>\n

A. Pin h\u00f3a h\u1ecdc \u2026<\/p>\n

B. Pin nhi\u1ec7t \u0111i\u1ec7n \u2026<\/p>\n

C. Pin quang \u0111i\u1ec7n \u2026<\/p>\n

a) \u2026 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong x\u1ea3y ra b\u00ean c\u1ea1ch m\u1ed9t l\u1edbp ch\u1eb7n.<\/p>\n

b) — ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c hi\u1ec7u \u0111i\u1ec7n th\u1ebf h\u00f3a \u1edf hai \u0111i\u1ec7n c\u1ef1c<\/p>\n

c) \u2026. Ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o s\u1ef1 h\u00ecnh th\u00e0nh hi\u1ec7u \u0111i\u1ec7n th\u1ebf khi c\u00e1c electron t\u1ef1 do khu\u1ebfch t\u00e1n t\u1eeb \u0111\u1ea7u n\u00f3ng sang \u0111\u1ea7u l\u1ea1nh c\u1ee7a m\u1ed9t d\u00e2y kim lo\u1ea1i.<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

A. Pin h\u00f3a h\u1ecdc ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c hi\u1ec7u \u0111i\u1ec7n th\u1ebf h\u00f3a \u1edf hai \u0111i\u1ec7n c\u1ef1c<\/p>\n

B. Pin nhi\u1ec7t \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o s\u1ef1 h\u00ecnh th\u00e0nh hi\u1ec7u \u0111i\u1ec7n th\u1ebf khi c\u00e1c electron t\u1ef1 do khu\u1ebfch t\u00e1n t\u1eeb \u0111\u1ea7u n\u00f3ng sang \u0111\u1ea7u l\u1ea1nh c\u1ee7a m\u1ed9t d\u00e2y kim lo\u1ea1i.<\/p>\n

C. Pin quang \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a v\u00e0o hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong x\u1ea3y ra b\u00ean c\u1ea1ch m\u1ed9t l\u1edbp ch\u1eb7n.<\/p>\n

B\u00e0i 5 (trang 162 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0\u0110i\u1ec7n tr\u1edf c\u1ee7a m\u1ed9t quang \u0111i\u1ec7n tr\u1edf c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o d\u01b0\u1edbi \u0111\u00e2y ?<\/span><\/p>\n

A. C\u00f3 gi\u00e1 tr\u1ecb r\u1ea5t l\u1edbn<\/p>\n

B. C\u00f3 gi\u00e1 tr\u1ecb r\u1ea5t nh\u1ecf<\/p>\n

C. C\u00f3 gi\u00e1 tr\u1ecb kh\u00f4ng \u0111\u1ed5i<\/p>\n

D. C\u00f3 gi\u00e1 tr\u1ecb thay \u0111\u1ed5i \u0111\u01b0\u1ee3c<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

Ch\u1ecdn \u0111\u00e1p \u00e1n D.<\/p>\n

\n
<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 (trang 162 SGK V\u1eadt L\u00fd 12):\u00a0Ch\u1ea5t quang d\u1eabn l\u00e0 g\u00ec? L\u1eddi gi\u1ea3i: –\u00a0Ch\u1ea5t quang d\u1eabn:\u00a0l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n k\u00e9m khi kh\u00f4ng \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng v\u00e0 tr\u1edf th\u00e0nh d\u1eabn \u0111i\u1ec7n t\u1ed1t khi \u0111\u01b0\u1ee3c chi\u1ebfu \u00e1nh s\u00e1ng th\u00edch h\u1ee3p. B\u00e0i 2 (trang 162 SGK V\u1eadt L\u00fd 12):\u00a0Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong l\u00e0 g\u00ec ? Gi\u1ea3i […]<\/p>\n","protected":false},"author":3,"featured_media":24675,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1303],"tags":[1428,1427],"yoast_head":"\nCh\u01b0\u01a1ng 6 - B\u00e0i 31: Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-6-bai-31-hien-tuong-quang-dien-trong\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 6 - B\u00e0i 31: Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 162 SGK V\u1eadt L\u00fd 12):\u00a0Ch\u1ea5t quang d\u1eabn l\u00e0 g\u00ec? L\u1eddi gi\u1ea3i: –\u00a0Ch\u1ea5t quang d\u1eabn:\u00a0l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n k\u00e9m khi kh\u00f4ng \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng v\u00e0 tr\u1edf th\u00e0nh d\u1eabn \u0111i\u1ec7n t\u1ed1t khi \u0111\u01b0\u1ee3c chi\u1ebfu \u00e1nh s\u00e1ng th\u00edch h\u1ee3p. B\u00e0i 2 (trang 162 SGK V\u1eadt L\u00fd 12):\u00a0Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n trong l\u00e0 g\u00ec ? 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