C\u00c2U H\u1eceI<\/strong><\/p>\n C\u00e2u 1 (trang 247 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0N\u00eau m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t quang. Ph\u00e2n bi\u1ec7t l\u00e2n quang v\u00e0 hu\u1ef3nh quang.<\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n Xem m\u1ee5c 1 ph\u1ea7n KTCB.<\/p>\n C\u00e2u 2 (trang 247 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt Xtoc v\u1ec1 s\u1ef1 ph\u00e1t quang.<\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n Xem m\u1ee5c 1c ph\u1ea7n KTCB.<\/p>\n C\u00e2u 3 (trang 247 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0Laze l\u00e0 g\u00ec? N\u00eau m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a tia laze.<\/span><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n Xem m\u1ee5c 2 ph\u1ea7n KTCB.<\/p>\n B\u00c0I T\u1eacP<\/strong><\/p>\n B\u00e0i 1 (trang 247 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0\u00c1nh s\u00e1ng hu\u1ef3nh quang l\u00e0 \u00e1nh s\u00e1ng<\/span><\/p>\n A. T\u1ed3n t\u1ea1i trong th\u1eddi gian d\u01b0\u1edbi 10(-8)<\/sup>s sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n B. H\u1ea7u nh\u01b0 t\u1eaft ngay sau khi t\u1eaft s\u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n C. 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 D. Do c\u00e1c tinh th\u1ec3 ph\u00e1t ra, khi \u0111\u01b0\u1ee3c k\u00edch th\u00edch b\u1eb1ng \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi.<\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n Ch\u1ecdn B.<\/p>\n B\u00e0i 2 (trang 248 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0\u00c1nh s\u00e1ng l\u1ea7n quang l\u00e0 \u00e1nh s\u00e1ng<\/span><\/p>\n A. \u0110\u01b0\u1ee3c ph\u00e1t ra b\u1edfi c\u1ea3 ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng l\u1eabn ch\u1ea5t kh\u00ed.<\/p>\n B. H\u1ea7u nh\u01b0 t\u1eaft ngay sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n C. C\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong th\u1eddi gian d\u00e0i h\u01a1n 10(-9)<\/sup>s sau khi t\u1eaft \u00e1nh s\u00e1ng k\u00edch th\u00edch.<\/p>\n D. 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 L\u1eddi gi\u1ea3i:<\/b><\/p>\n Ch\u1ecdn C<\/p>\n","protected":false},"excerpt":{"rendered":" C\u00c2U H\u1eceI C\u00e2u 1 (trang 247 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0N\u00eau m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t quang. Ph\u00e2n bi\u1ec7t l\u00e2n quang v\u00e0 hu\u1ef3nh quang. L\u1eddi gi\u1ea3i: Xem m\u1ee5c 1 ph\u1ea7n KTCB. C\u00e2u 2 (trang 247 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt Xtoc v\u1ec1 s\u1ef1 ph\u00e1t quang. L\u1eddi gi\u1ea3i: […]<\/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":[1304],"tags":[1432,1431],"yoast_head":"\n