o<\/sub>\u00a0n\u00e0o \u0111\u00f3.<\/p>\nB. C\u00e1c ph\u00f4t\u00f4n quang \u0111i\u1ec7n lu\u00f4n b\u1eafn ra kh\u1ecfi kim lo\u1ea1i theo ph\u01b0\u01a1ng vu\u00f4ng g\u00f3c v\u1edbi b\u1ec1 m\u1eb7t kim lo\u1ea1i.<\/p>\n
C. Gi\u1edbi h\u1ea1n quang \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t kim lo\u1ea1i.<\/p>\n
D. Gi\u1edbi h\u1ea1n quang \u0111i\u1ec7n c\u1ee7a kim lo\u1ea1i t\u1ec9 l\u1ec7 v\u1edbi c\u00f4ng tho\u00e1t \u00ealectron c\u1ee7a kim lo\u1ea1i.<\/p>\n
C\u00e2u 3:<\/b>\u00a0Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u00ealectron b\u1ecb b\u1ee9t ra kh\u1ecfi b\u1ec1 m\u1eb7t t\u1ea5m kim lo\u1ea1i<\/p>\n
A. khi t\u1ea5m kim lo\u1ea1i b\u1ecb nung n\u00f3ng.<\/p>\n
B. nhi\u1ec5m \u0111i\u1ec7n do ti\u1ebfp x\u00fac v\u1edbi m\u1ed9t v\u1eadt nhi\u1ec5m \u0111i\u1ec7n kh\u00e1c.<\/p>\n
C. do b\u1ea5t k\u00ec nguy\u00ean nh\u00e2n n\u00e0o.<\/p>\n
D. khi c\u00f3 \u00e1nh s\u00e1ng th\u00edch h\u1ee3p chi\u1ebfu v\u00e0o n\u00f3.<\/p>\n
C\u00e2u 4:<\/b>\u00a0C\u00f4ng tho\u00e1t \u00ealectron c\u1ee7a kim lo\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o<\/p>\n
A. b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng k\u00edch th\u00edch v\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a kim lo\u1ea1i<\/p>\n
B. b\u1ea3n ch\u1ea5t c\u1ee7a kim lo\u1ea1i<\/p>\n
C. c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a ch\u00f9m s\u00e1ng k\u00edch th\u00edch<\/p>\n
D. b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng k\u00edch th\u00edch<\/p>\n
C\u00e2u 5:<\/b>\u00a0T\u00ecm ph\u00e1t bi\u1ec3u sai khi n\u00f3i v\u1ec1 thuy\u1ebft l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng<\/p>\n
A. Nguy\u00ean t\u1eed hay ph\u00e2n t\u1eed v\u1eadt ch\u1ea5t kh\u00f4ng h\u1ea5p th\u1ee5 hay b\u1ee9c x\u1ea1 \u00e1nh s\u00e1ng m\u1ed9t c\u00e1ch li\u00ean t\u1ee5c m\u00e0 th\u00e0nh t\u1eebng ph\u1ea7n ri\u00eang bi\u1ec7t, \u0111\u1ee9t qu\u00e3ng.<\/p>\n
B. \u00c1nh s\u00e1ng \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi c\u00e1c h\u1ea1t g\u1ecdi l\u00e0 ph\u00f4t\u00f4n.<\/p>\n
C. N\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ph\u00f4t\u00f4n \u00e1nh s\u00e1ng l\u00e0 nh\u01b0 nhau, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng.<\/p>\n
D. Khi \u00e1nh s\u00e1ng truy\u1ec1n \u0111i, c\u00e1c l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng kh\u00f4ng thay \u0111\u1ed5i v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch t\u1edbi ngu\u1ed3n s\u00e1ng.<\/p>\n
C\u00e2u 6:<\/b>\u00a0C\u00f4ng thoa\u00e1t c\u1ee7a \u00ealectron kh\u1ecfi b\u1ec1 m\u1eb7t nh\u00f4m l\u00e0 3,46 eV. \u0110i\u1ec1u ki\u1ec7n x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n \u0111\u1ed1i v\u1edbi nh\u00f4m l\u00e0 \u00e1nh s\u00e1ng k\u00edch th\u00edch ph\u1ea3i c\u00f3 b\u01b0\u1edbc s\u00f3ng th\u1ecfa m\u00e3n<\/p>\n
A. \u03bb\u2264 0,18 \u03bcm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. \u03bb > 0,18 \u03bcm<\/p>\n
C. \u03bb \u22640,36 \u03bcm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. \u03bb > 0,36 \u03bcm<\/p>\n
C\u00e2u 7:<\/b>\u00a0M\u1ed9t ngu\u1ed3n ph\u00e1t ra \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc b\u01b0\u1edbc s\u00f3ng \u03bb = 0,50 \u03bcm. S\u1ed1 photon m\u00e0 ngu\u1ed3n ph\u00e1t ra trong 1 ph\u00fat l\u00e0 N=2,5.1018<\/sup>. C\u00f4ng su\u1ea5t ph\u00e1t x\u1ea1 c\u1ee7a ngu\u1ed3n l\u00e0<\/p>\nA. 16,6 mW \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 8,9 mW<\/p>\n
C. 5,72 mW \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,28 mW<\/p>\n
C\u00e2u 8:<\/b>\u00a0Chi\u1ebfu \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng \u03bb = 0,542 \u03bcm v\u00e0o cat\u00f4t c\u1ee7a m\u1ed9t t\u1ebf b\u00e0o quang \u0111i\u1ec7n (m\u1ed9t d\u1ee5ng c\u1ee5 ch\u00e2n kh\u00f4ng c\u00f3 hai \u0111i\u1ec7n c\u1ef1c l\u00e0 cat\u00f4t n\u1ed1i v\u1edbi c\u1ef1c \u00e2m v\u00e0 an\u00f4t n\u1ed1i v\u1edbi c\u1ef1c d\u01b0\u01a1ng c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n) th\u00ec c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n. C\u00f4ng su\u1ea5t c\u1ee7a ch\u00f9m s\u00e1ng chi\u1ebfu t\u1edbi l\u00e0 0,625 W, bi\u1ebft r\u1eb1ng c\u1ee9 100 photon t\u1edbi cat\u00f4t th\u00ec c\u00f3 1 \u00ealectron b\u1ee9t ra kh\u1ecfi cat\u00f4t. Khi \u0111\u00f3 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng quang \u0111i\u1ec7n b\u00e3o h\u00f2a c\u00f3 gi\u00e1 tr\u1ecb l\u00e0<\/p>\n
A. 2,72 mA \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 2,04 mA<\/p>\n
C. 4,26 mA \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 2,57 mA<\/p>\n
C\u00e2u 9:<\/b>\u00a0Cho h\u1eb1ng s\u1ed1 Pl\u0103ng h=6,625.10-34<\/sup>\u00a0J.s ; t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng trong ch\u00e2n kh\u00f4ng c=3.108<\/sup>\u00a0m\/s. M\u1ed9t ngu\u1ed3n ph\u00e1t \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc c\u00f3 b\u01b0\u1edbc s\u00f3ng 0,51 \u03bcm. C\u00f4ng su\u1ea5t b\u1ee9c x\u1ea1 c\u1ee7a ngu\u1ed3n l\u00e0 2,65 W. S\u1ed1 photon m\u00e0 ngu\u1ed3n ph\u00e1t ra trong 1 gi\u00e2y l\u00e0<\/p>\nA. 6,8.1018<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 2,04.1019<\/sup><\/p>\nC. 1,33.1025<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 2,57.1017<\/sup><\/p>\nC\u00e2u 10:<\/b>\u00a0C\u00f4ng tho\u00e1t \u00ealectron c\u1ee7a m\u1ed9t kim lo\u1ea1i 2 eV. Trong s\u1ed1 b\u1ed1n b\u1ee9c x\u1ea1 sau \u0111\u00e2y, b\u1ee9c x\u1ea1 kh\u00f4ng g\u00e2y ra \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n khi chi\u1ebfu v\u00e0o t\u1ea5m kim lo\u1ea1i n\u00f3i tr\u00ean c\u00f3<\/p>\n
A. b\u01b0\u1edbc s\u00f3ng 450 nm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. b\u01b0\u1edbc s\u00f3ng 350 nm<\/p>\n
C. t\u1ea7n s\u1ed1 6,5.1014<\/sup>\u00a0Hz \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. t\u1ea7n s\u1ed1 4,8.1014<\/sup>\u00a0Hz<\/p>\nH\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0111\u00e1p \u00e1n<\/b><\/p>\n\n\n\n| C\u00e2u<\/td>\n | 1<\/td>\n | 2<\/td>\n | 3<\/td>\n | 4<\/td>\n | 5<\/td>\n | 6<\/td>\n | 7<\/td>\n | 8<\/td>\n | 9<\/td>\n | 10<\/td>\n<\/tr>\n |
\n| \u0110\u00e1p \u00e1n<\/td>\n | A<\/td>\n | C<\/td>\n | D<\/td>\n | B<\/td>\n | C<\/td>\n | C<\/td>\n | A<\/td>\n | A<\/td>\n | A<\/td>\n | D<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u 5:<\/b>\u00a0C<\/p>\n C\u01b0\u1eddng \u0111\u1ed9 chi\u1ebfu s\u00e1ng kh\u00f4ng \u0111\u1ed5i th\u00ec s\u1ed1 \u00ealectron b\u1eadt ra trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian kh\u00f4ng \u0111\u1ed5i, s\u1ed1 \u00ealectron b\u1eadt ra t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi th\u1eddi gian chi\u1ebfu s\u00e1ng, v\u1eady \u0111\u1ed3 th\u1ecb l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua g\u1ed1c t\u1ecda \u0111\u1ed9.<\/p>\n C\u00e2u 7:<\/b>\u00a0A<\/p>\n ![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-126.png\") <\/p>\n
C\u00e2u 8:<\/b>\u00a0A<\/p>\n ![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/2-37.png\") <\/p>\n
C\u00e2u 9:<\/b>\u00a0A<\/p>\n ![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/3-14.png\") <\/p>\n
C\u00e2u 10:<\/b>\u00a0D<\/p>\n Gi\u1edbi h\u1ea1n quang \u0111i\u1ec7n v\u00e0 t\u1ea7n s\u1ed1 gi\u1edbi h\u1ea1n l\u00e0:<\/p>\n ![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/4-9.png\") <\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e2u 1:\u00a0T\u1ea5t c\u1ea3 c\u00e1 ph\u00f4t\u00f4n trong ch\u00e2n kh\u00f4ng c\u00f3 c\u00f9ng A. t\u1ed1c \u0111\u1ed9 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. b\u01b0\u1edbc s\u00f3ng C. n\u0103ng l\u01b0\u1ee3ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. t\u1ea7n s\u1ed1 C\u00e2u 2:\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n A. Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n ch\u1ec9 x\u1ea3y ra khi t\u1ea7n s\u1ed1 c\u1ee7a \u00e1nh s\u00e1ng k\u00edch th\u00edch nh\u1ecf h\u01a1n t\u1ea7n s\u1ed1 gi\u1edbi […]<\/p>\n","protected":false},"author":3,"featured_media":25807,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[158],"tags":[1443,1442],"yoast_head":"\n B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n - Thuy\u1ebft l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng<\/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\/bai-tap-trac-nghiem-vat-li-12-hien-tuong-quang-dien-thuyet-luong-tu-anh-sang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n - Thuy\u1ebft l\u01b0\u1ee3ng t\u1eed \u00e1nh s\u00e1ng\" \/>\n<meta property=\"og:description\" content=\"C\u00e2u 1:\u00a0T\u1ea5t c\u1ea3 c\u00e1 ph\u00f4t\u00f4n trong ch\u00e2n kh\u00f4ng c\u00f3 c\u00f9ng A. t\u1ed1c \u0111\u1ed9 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. b\u01b0\u1edbc s\u00f3ng C. n\u0103ng l\u01b0\u1ee3ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. t\u1ea7n s\u1ed1 C\u00e2u 2:\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n A. Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n ch\u1ec9 x\u1ea3y ra khi t\u1ea7n s\u1ed1 c\u1ee7a \u00e1nh s\u00e1ng k\u00edch th\u00edch nh\u1ecf h\u01a1n t\u1ea7n s\u1ed1 gi\u1edbi […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-hien-tuong-quang-dien-thuyet-luong-tu-anh-sang\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-09T09:48:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-126.png\" \/>\n\t<meta property=\"og:image:width\" content=\"388\" \/>\n\t<meta property=\"og:image:height\" content=\"56\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-hien-tuong-quang-dien-thuyet-luong-tu-anh-sang\/\",\"url\":\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-hien-tuong-quang-dien-thuyet-luong-tu-anh-sang\/\",\"name\":\"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: Hi\u1ec7n t\u01b0\u1ee3ng quang \u0111i\u1ec7n - 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