C\u00e2u 1:<\/b>\u00a0Y\u1ebfu t\u1ed1 n\u00e0o sau \u0111\u00e2y c\u1ee7a \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc quy\u1ebft \u0111\u1ecbnh m\u00e0u c\u1ee7a n\u00f3?<\/p>\n

A. B\u01b0\u1edbc s\u00f3ng trong m\u00f4i tr\u01b0\u1eddng<\/p>\n

B. T\u1ea7n s\u1ed1<\/p>\n

C. T\u1ed1c \u0111\u1ed9 truy\u1ec1n s\u00f3ng<\/p>\n

D. C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a ch\u00f9m \u00e1nh s\u00e1ng<\/p>\n

C\u00e2u 2:<\/b>\u00a0Khi m\u1ed9t ch\u00f9m s\u00e1ng \u0111\u01a1n s\u1eafc truy\u1ec1n qua c\u00e1c m\u00f4i tr\u01b0\u1eddng, \u0111\u1ea1i l\u01b0\u1ee3ng kh\u00f4ng thay \u0111\u1ed5i l\u00e0<\/p>\n

A. t\u1ea7n s\u1ed1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. b\u01b0\u1edbc s\u00f3ng<\/p>\n

C. t\u1ed1c \u0111\u1ed9 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. c\u01b0\u1eddng \u0111\u1ed9<\/p>\n

C\u00e2u 3:<\/b>\u00a0Chi\u1ebft su\u1ea5t c\u1ee7a m\u00f4i tr\u01b0\u1eddng trong su\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc trong m\u1ed9t ch\u00f9m \u00e1nh s\u00e1ng tr\u1eafng<\/p>\n

A. nh\u1ecf khi t\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng l\u1edbn<\/p>\n

B. l\u1edbn khi t\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng l\u1edbn<\/p>\n

C. t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi t\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng<\/p>\n

D. t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi t\u1ea7n s\u1ed1 \u00e1nh s\u00e1ng<\/p>\n

C\u00e2u 4:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m Y \u2013 \u00e2ng v\u1ec1 giao thoa \u00e1nh s\u00e1ng, hi\u1ec7u d\u01b0\u1eddng \u0111i c\u1ee7a c\u00e1c s\u00f3ng t\u1eeb hai khe S_{1<\/sub>, S2<\/sub>\u00a0\u0111\u1ebfn v\u00e2n t\u1ed1i th\u1ee9 ba k\u1ec3 t\u1eeb v\u00e2n trung t\u00e2m c\u00f3 tr\u1ecb s\u1ed1 l\u00e0<\/p>\n}

A. 2\u03bb \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 3\u03bb \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 2,5\u03bb \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 1,5\u03bb<\/p>\n

C\u00e2u 5:<\/b>\u00a0T\u1ea7n s\u1ed1 n\u00e0o d\u01b0\u1edbi \u0111\u00e2y \u1ee9ng v\u1edbi t\u1ea7n s\u1ed1 c\u1ee7a b\u1ee9c x\u1ea1 m\u00e0u t\u00edm?<\/p>\n

A. 7,3.10^{12<\/sup>\u00a0Hz \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,3.1013<\/sup>\u00a0Hz<\/p>\n}

C. 7,3.10^{14<\/sup>\u00a0Hz \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 1,3.1014<\/sup>\u00a0Hz<\/p>\n}

C\u00e2u 6:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m giao thoa Y \u2013 \u00e2ng v\u1ec1 giao thoa \u00e1nh s\u00e1ng v\u1edbi \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc, n\u1ebfu t\u0103ng kho\u1ea3ng c\u00e1ch gi\u1eefa hai khe S_{1<\/sub>\u00a0v\u00e0 S2<\/sub>\u00a0th\u00ec h\u1ec7 v\u00e2n giao thoa thu \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n c\u00f3<\/p>\n}

A. kho\u1ea3ng v\u00e2n t\u0103ng<\/p>\n

B. s\u1ed1 v\u00e2n t\u0103ng<\/p>\n

C. h\u1ec7 v\u00e2n chuy\u1ec3n \u0111\u1ed9ng d\u00e3n ra hai phia so v\u1edbi v\u00e2n s\u00e1ng trung t\u00e2m<\/p>\n

D. s\u1ed1 v\u00e2n gi\u1ea3m<\/p>\n

C\u00e2u 7:<\/b>\u00a0M\u1ed9t \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc c\u00f3 b\u01b0\u1edbc s\u00f3ng trong kh\u00f4ng kh\u00ed l\u00e0 0,651 \u03bcm v\u00e0 trong ch\u1ea5t l\u1ecfng trong su\u1ed1t l\u00e0 0,465 \u03bcm. Chi\u1ebft su\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng trong th\u00ed nghi\u1ec7m \u0111\u1ed1i v\u1edbi \u00e1nh s\u00e1ng \u0111\u00f3 l\u00e0<\/p>\n

A. 1,35 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,40 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 1,45 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 1,48<\/p>\n

C\u00e2u 8:<\/b>\u00a0Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m giao thoa \u00e1nh s\u00e1ng Y \u2013 \u00e2ng trong kh\u00f4ng kh\u00ed, kho\u1ea3ng v\u00e2n \u0111o \u0111\u01b0\u1ee3c l\u00e0 i. N\u1ebfu \u0111\u1eb7t to\u00e0n b\u1ed9 th\u00ed nghi\u1ec7m trong n\u01b0\u1edbc c\u00f3 chi\u1ebft su\u1ea5t n th\u00ec kho\u1ea3ng v\u00e2n l\u00e0<\/p>\n

A. i \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. ni \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. i\/n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. n\/i<\/p>\n

C\u00e2u 9:<\/b>\u00a0Chi\u1ebfu \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc v\u00e0o hai khe c\u1ee7a th\u00ed nghi\u1ec7m giao thoa \u00e1nh s\u00e1ng Y \u2013 \u00e2ng c\u00e1ch nhau 1 mm th\u00ec tr\u00ean m\u00e0n ph\u00eda sau hai khe, c\u00e1ch m\u1eb7t ph\u1eb3ng ch\u01b0a hai khe 1,3 m ta thu \u0111\u01b0\u1ee3c h\u1ec7 v\u00e2n giao thoa, kho\u1ea3ng c\u00e1ch t\u1eeb v\u00e2n trung t\u00e2m \u0111\u1ebfn v\u00e2n s\u00e1ng b\u1eadc 5 l\u00e0 4,5 mm. \u00c1nh s\u00e1ng chi\u1ebfu t\u1edbi thu\u1ed9c v\u00f9ng m\u00e0u<\/p>\n

A. \u0111\u1ecf \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. v\u00e0ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. l\u1ee5c \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. t\u00edm<\/p>\n

H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0111\u00e1p \u00e1n<\/b><\/p>\n\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<\/tr>\n
\u0110\u00e1p \u00e1n<\/td>\n	B<\/td>\n	A<\/td>\n	B<\/td>\n	C<\/td>\n	C<\/td>\n	B<\/td>\n	B<\/td>\n	C<\/td>\n	A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u 7:<\/b>\u00a0B<\/p>\n <\/p>\n C\u00e2u 8:<\/b>\u00a0C<\/p>\n Trong n\u01b0\u1edbc b\u01b0\u1edbc s\u00f3ng gi\u1ea3m n l\u1ea7n. Kho\u1ea3ng v\u00e2n t\u1ec9 l\u1ec7 v\u1edbi b\u01b0\u1edbc s\u00f3ng n\u00ean c\u0169ng gi\u1ea3m d\u1ea7n<\/p>\n C\u00e2u 9:<\/b>\u00a0A<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 1:\u00a0Y\u1ebfu t\u1ed1 n\u00e0o sau \u0111\u00e2y c\u1ee7a \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc quy\u1ebft \u0111\u1ecbnh m\u00e0u c\u1ee7a n\u00f3? A. B\u01b0\u1edbc s\u00f3ng trong m\u00f4i tr\u01b0\u1eddng B. T\u1ea7n s\u1ed1 C. T\u1ed1c \u0111\u1ed9 truy\u1ec1n s\u00f3ng D. C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a ch\u00f9m \u00e1nh s\u00e1ng C\u00e2u 2:\u00a0Khi m\u1ed9t ch\u00f9m s\u00e1ng \u0111\u01a1n s\u1eafc truy\u1ec1n qua c\u00e1c m\u00f4i tr\u01b0\u1eddng, \u0111\u1ea1i l\u01b0\u1ee3ng kh\u00f4ng thay \u0111\u1ed5i l\u00e0 […]<\/p>\n","protected":false},"author":3,"featured_media":25853,"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