C\u00e2u 1:<\/b>\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang v\u1ec1 s\u1ef1 ph\u00e1t quang<\/p>\n
A.S\u1ef1 ph\u00e1t quang c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t r\u1eafn \u0111\u1ec1u l\u00e0 hu\u1ef3nh quang.<\/p>\n
B. S\u1ef1 ph\u00e1t quang c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t r\u1eafn \u0111\u1ec1u l\u00e0 l\u00e2n quang.<\/p>\n
C. S\u1ef1 ph\u00e1t quang c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0 hu\u1ef3nh quang, c\u1ee7a ch\u1ea5t r\u1eafn l\u00e0 l\u00e2n quang.<\/p>\n
D. S\u1ef1 ph\u00e1t quang c\u1ee7a ch\u1ea5t r\u1eafn l\u00e0 hu\u1ef3nh quang, c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0 l\u00e2n quang.<\/p>\n
C\u00e2u 2:<\/b>\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang<\/p>\n
A.S\u1ef1 ph\u00e1t s\u00e1ng c\u1ee7a \u0111\u00e8n \u1ed1ng l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng quang \u2013 ph\u00e1t quang.<\/p>\n
B. Hi\u1ec7n t\u01b0\u1ee3ng quang = ph\u00e1t quang l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t s\u00e1ng c\u1ee7a m\u1ed9t s\u1ed1 ch\u1ea5t.<\/p>\n
C. Hu\u1ef3nh quang l\u00e0 s\u1ef1 ph\u00e1t quang c\u1ee7a ch\u1ea5t r\u1eafn, \u00e1nh s\u00e1ng ph\u00e1t quang c\u00f3 th\u1ec3 k\u00e9o d\u00e0i m\u1ed9t kho\u1ea3ng th\u1eddi gian n\u00e0o \u0111\u1ed1 sau khi t\u1eafc \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
D. \u00c1nh s\u00e1ng ph\u00e1t quang c\u00f3 t\u1ea7n s\u1ed1 l\u01b0\u1edbn h\u01a1n \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
C\u00e2u 3:<\/b>\u00a0Bi\u1ebft \u00e1nh s\u00e1ng ph\u00e1t quang c\u1ee7a m\u1ed9t ch\u1ea5t c\u00f3 b\u01b0\u1edbc song 0,50 \u03bcm. Khi chi\u1ebfu v\u00e0o ch\u1ea5t \u0111\u00f3 \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng n\u00e0o d\u01b0\u1edbi \u0111\u00e2y th\u00ec ch\u1ea5t \u0111\u1ed1 s\u1ebd kh\u00f4ng th\u1ec3 ph\u00e1t quang?<\/p>\n
A.0,30 \u03bcm<\/p>\n
B. 0,40 \u03bcm<\/p>\n
C. 0,48 \u03bcm<\/p>\n
D. 0,60 \u03bcm<\/p>\n
C\u00e2u 4:<\/b>\u00a0M\u1ed9t ch\u1ea5t ph\u00e1t quang c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t ra \u00e1nh s\u00e1ng m\u00e0u l\u1ee5c khi \u0111\u01b0\u1ee3c k\u00edch th\u00edch ph\u00e1t s\u00e1ng. Khi chi\u1ebfu v\u00e0o ch\u1ea5t \u0111\u00f3 \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc n\u00e0o d\u01b0\u1edbi \u0111\u00e2y th\u00ec n\u00f3 c\u00f3 th\u1ec3 ph\u00e1t quang?<\/p>\n
A.cam<\/p>\n
B. v\u00e0ng<\/p>\n
C. ch\u00e0m<\/p>\n
D. \u0111\u1ecf<\/p>\n
C\u00e2u 5:<\/b>\u00a0Trong hi\u1ec7n t\u01b0\u1ee3ng quang \u2013 ph\u00e1t quang, s\u1ef1 h\u1ea5p th\u1ee5 m\u1ed9t photon c\u00f3 th\u1ec3 l\u00e0m<\/p>\n
A.ph\u00e1t ra m\u1ed9t photon kh\u00e1c.<\/p>\n
B. gi\u1ea3i ph\u00f3ng m\u1ed9t photon cung t\u1ea7n s\u1ed1.<\/p>\n
C. gi\u1ea3i ph\u00f3ng m\u1ed9t \u00ealectron li\u00ean k\u1ebft.<\/p>\n
D. gi\u1ea3i ph\u00f3ng m\u1ed9t c\u1eb7p \u00ealectron v\u00e0 l\u1ed7 tr\u1ed1ng.<\/p>\n
C\u00e2u 6:<\/b>\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng hu\u1ef3nh quang v\u00e0 l\u00e2n quang.<\/p>\n
\u00c1nh s\u00e1ng ph\u00e1t ra<\/p>\n
A. do hi\u1ec7n t\u01b0\u1ee3ng hu\u1ef3nh quang v\u00e0 l\u00e2n quang \u0111\u1ec1u t\u1eaft r\u1ea5t nhanh sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
B. do hi\u1ec7n t\u01b0\u1ee3ng hu\u1ef3nh quang v\u00e0 l\u00e2n quang \u0111\u1ec1u k\u00e9o d\u00e0i th\u00eam m\u1ed9t kho\u1ea3ng th\u1eddi gian khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
C. do hi\u1ec7n t\u01b0\u1ee3ng l\u00e2n quang t\u1eaft r\u1ea5t nhanh, hi\u1ec7n t\u01b0\u1ee3ng hu\u1ef3nh quang c\u00f2n k\u00e9o d\u00e0i th\u00eam m\u1ed9t kho\u1ea3ng th\u1eddi gian sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
D. do hi\u1ec7n t\u01b0\u1ee3ng hu\u1ef3nh quang t\u1eaft r\u1ea5t nhanh,hi\u1ec7n t\u01b0\u1ee3ng l\u00e2n quang c\u00f2n k\u00e9o d\u00e0i th\u00eam m\u1ed9t kho\u1ea3ng th\u1eddi gian sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
C\u00e2u 7:<\/b>\u00a0\u00c1nh s\u00e1ng hu\u1ef3nh quang l\u00e0 \u00e1nh s\u00e1ng ph\u00e1t quang<\/p>\n
A.k\u00e9o d\u00e0i trong m\u1ed9t kho\u1ea3ng th\u1eddi gian n\u00e0o \u0111\u1ed1 sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
B. c\u00f3 b\u01b0\u1edbc s\u00f3ng nh\u1ecf h\u01a1n b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
C. h\u1ea7u nh\u01b0 t\u1eaft ngay sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n
D. khi \u0111\u01b0\u1ee3c k\u00edch th\u00edch b\u1eb1ng \u00e1nh s\u00e1ng c\u00f3 t\u1ea7n s\u1ed1 nh\u1ecf h\u01a1n t\u1ea7n s\u1ed1 c\u1ee7a \u00e1nh s\u00e1ng ph\u00e1t quang.<\/p>\n
H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0111\u00e1p \u00e1n<\/b><\/p>\n C\u00e2u 1:\u00a0Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang v\u1ec1 s\u1ef1 ph\u00e1t quang A.S\u1ef1 ph\u00e1t quang c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t r\u1eafn \u0111\u1ec1u l\u00e0 hu\u1ef3nh quang. B. S\u1ef1 ph\u00e1t quang c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t r\u1eafn \u0111\u1ec1u l\u00e0 l\u00e2n quang. C. S\u1ef1 ph\u00e1t quang c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0 hu\u1ef3nh quang, c\u1ee7a ch\u1ea5t r\u1eafn l\u00e0 l\u00e2n quang. D. […]<\/p>\n","protected":false},"author":3,"featured_media":0,"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\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<\/tr>\n \n \u0110\u00e1p \u00e1n<\/td>\n C<\/td>\n A<\/td>\n D<\/td>\n C<\/td>\n A<\/td>\n D<\/td>\n C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"