C\u00e2u 10:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m Y \u2013\u00e2ng v\u1ec1 giao thoa \u00e1nh s\u00e1ng v\u1edbi \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc, kho\u1ea3ng c\u00e1ch t\u1eeb m\u1eb7t ph\u1eb3ng ch\u01b0a hai khe \u0111\u1ebfn m\u00e0n quan s\u00e1t D = 1,2 m. kho\u1ea3ng v\u00e2n \u0111o \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n l\u00e0 i = 0,8 mm. \u0111\u1ec3 kho\u1ea3ng v\u00e2n \u0111o \u0111\u01b0\u1ee3c b\u1eb1ng 1,2 mm, ta c\u1ea7n d\u1ecbch chuy\u1ec3n m\u00e0n quan s\u00e1t m\u1ed9t kho\u1ea3ng l\u00e0<\/p>\n

A. 1,2 m ra xa m\u1eb7t ph\u1eb3ng ch\u1ee9a hai khe<\/p>\n

B. 0,6 m ra xa m\u1eb7t ph\u1eb3ng ch\u1ee9a hai khe<\/p>\n

C. 0,3 m l\u1ea1i g\u1ea7n m\u1eb7t ph\u1eb3ng ch\u1ee9a hai khe<\/p>\n

D. 0,9 m l\u1ea1i g\u1ea7n m\u1eb7t ph\u1eb3ng ch\u1ee9a hai khe<\/p>\n

C\u00e2u 11:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m Y \u2013\u00e2ng v\u1ec1 giao thoa \u00e1nh s\u00e1ng, chi\u1ebfu \u0111\u1ed3ng th\u1eddi hai b\u1ee9c x\u1ea1 \u0111\u01a1n s\u1eafc c\u00f3 \u03bb_{1<\/sub>\u00a0= 0,6 \u03bc v\u00e0 \u03bb2<\/sub>\u00a0= 0,4 \u03bcm v\u00e0o khe Y \u2013 \u00e2ng. Kho\u1ea3ng gi\u1eefa hai khe a = 1 mm. Kho\u1ea3ng c\u00e1ch t\u1eeb hai khe \u0111\u1ebfn m\u00e0n D = 2 m. Kho\u1ea3ng c\u00e1ch ng\u1eafn ng\u1ea5n gi\u01b0u\u00e3 c\u00e1c v\u1ecb tr\u00ed tr\u00ean m\u00e0n c\u00f3 hai v\u00e2n s\u00e1ng tr\u00f9ng nhau l\u00e0<\/p>\n}

A. 4,8 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 3,2 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 2,4 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 9,6 mm<\/p>\n

C\u00e2u 12:<\/b>\u00a0Trong m\u1ed9t th\u00ed nghi\u1ec7m giao thoa \u00e1nh s\u00e1ng v\u1edbi hai khe Y \u2013 \u00e2ng trong v\u00f9ng MN tr\u00ean m\u00e0n quan s\u00e1t, ng\u01b0\u1eddi ta \u0111\u1ebfm \u0111\u01b0\u1ee3c 13 v\u00e2n s\u00e1ng v\u1edbi M v\u00e0 N l\u00e0 hai v\u00e2n s\u00e1ng \u1ee9ng v\u1edbi b\u01b0\u1edbc s\u00f3ng \u03bb_{1<\/sub>\u00a0= 0,42 \u03bcm. Gi\u1eef nguy\u00ean \u0111i\u1ec1u ki\u1ec7n th\u00ed nghi\u1ec7m, thay ngu\u1ed3n s\u00e1ng \u0111\u01a1n s\u1eafc v\u1edbi b\u01b0\u1edbc s\u00f3ng \u03bb2<\/sub>\u00a0= 0,63 \u03bcm th\u00ec s\u1ed1 v\u00e2n s\u00e1ng tr\u00ean \u0111o\u1ea1n c\u00f3 chi\u1ec1u d\u00e0i b\u1eb1ng MN tr\u00ean m\u00e0n l\u00e0<\/p>\n}

A. 12 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 13 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 8 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 9<\/p>\n

C\u00e2u 13:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m Y \u2013\u00e2ng v\u1ec1 giao thoa \u00e1nh s\u00e1ng, chi\u1ebfu \u00e1nh s\u00e1ng tr\u1eafng (b\u01b0\u1edbc s\u00f3ng t\u1eeb 0,4 \u03bcm \u0111\u1ebfn 0,76 \u03bcm) v\u00e0o hai khe Y \u2013 \u00e2ng. Bi\u1ebft kho\u1ea3ng c\u00e1c gi\u1eefa hai khe l\u00e0 0,5 mm v\u00e0 kho\u1ea3ng c\u00e1ch t\u1eeb 2 khe \u0111\u1ebfn m\u00e0n l\u00e0 1 m. B\u1ee9c x\u1ea1 \u0111\u01a1n s\u1eafc n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng cho v\u00e2n s\u00e1ng t\u1ea1i \u0111i\u1ec3m c\u00e1ch v\u00e2n trung t\u00e2m 5,4 mm?<\/p>\n

A. 0,450 \u03bcm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 0,540 \u03bcm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 0,675 \u03bcm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,690 \u03bcm<\/p>\n

C\u00e2u 14:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m giao thoa \u00e1nh s\u00e1ng Y \u2013\u00e2ng v\u1edbi \u00e1nh s\u00e1ng tr\u1eafng (c\u00f3 b\u01b0\u1edbc s\u00f3ng t\u1eeb 0,4 \u03bcm \u0111\u1ebfn 0,76 \u03bcm), kh\u1ecfang c\u00e1ch t\u1eeb hai khe \u0111\u1ebfn m\u00e0n l\u00e0 2 m, b\u1ec1 r\u1ed9ng quang ph\u1ed5 b\u1eadc 2 thu \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n l\u00e0 1,5 mm. Kho\u1ea3ng c\u00e1ch gi\u1eefa hai khe l\u00e0<\/p>\n

A. 0,72 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 0,96 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 1,11 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 1,15 mm<\/p>\n

C\u00e2u 15:<\/b>\u00a0Trong th\u00ed nghi\u1ec7m giao thoa \u00e1nh s\u00e1ng nh\u01b0 h\u00ecnh v\u1ebd b\u00ean, hai l\u0103ng k\u00ednh P, P\u2019 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00f9ng m\u1ed9t ch\u1ea5t, \u0111\u1ec1u c\u00f3 g\u00f3c chi\u1ebft quang nh\u1ecf v\u00e0 b\u1eb1ng \u03b1. C\u00e1c kho\u1ea3ng c\u00e1ch t\u1eeb ngu\u1ed3n, t\u1eeb m\u00e0n \u0111\u1ebfn h\u1ec7 hai th\u1ea5u k\u00ednh l\u1ea7n l\u01b0\u1ee3t l\u00e0 d_{1<\/sub>, d2<\/sub>. K\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c l\u0103ng k\u00ednh r\u1ea5t nh\u1ecf so v\u1edbi c\u00e1c kho\u1ea3ng c\u00e1ch n\u00e0y. Ngu\u1ed3n S ph\u00e1t \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc c\u00f3 b\u01b0\u1edbc s\u00f3ng \u03bb. Kho\u1ea3ng v\u00e2n quan s\u00e1t \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n l\u00e0 i. Chi\u1ebft su\u1ea5t c\u1ee7a l\u0103ng k\u00ednh c\u00f3 gi\u00e1 tr\u1ecb x\u00e1c \u0111\u1ecbnhi b\u1eb1ng c\u00f4ng th\u1ee9c<\/p>\n}

<\/p>\n

<\/p>\n

C\u00e2u 16:<\/b>\u00a0M\u1ed9t th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 c\u00f3 ti\u00eau c\u1ef1 f = 10 cm, \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh hai n\u1eeda theo m\u1eb7t ph\u1eb3ng ch\u01b0a tr\u1ee5c ch\u00ednh r\u1ed3i t\u00e1ch ra xa nhau m\u1ed9t \u0111o\u1ea1n nh\u1ecf O_{1<\/sub>O2<\/sub>. Ngu\u1ed3n s\u00e1ng S ph\u00e1t ra \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc song \u03bb = 0,6 \u03bcm v\u00e0 m\u00e0n \u1ea3nh E \u0111\u1eb7t c\u00e1ch c\u00e1c n\u1eeda th\u00e1u k\u00ednh kho\u1ea3ng l\u1ea7n l\u01b0\u1ee3t l\u00e0 d = 30 cm ; L = 2,15 m nh\u01b0 h\u00ecnh v\u1ebd. Kho\u1ea3ng v\u00e2n tr\u00ean m\u00e0n l\u00e0 1,25 mm. Kho\u1ea3ng c\u00e1c O1<\/sub>O2<\/sub>b\u1eb1ng<\/p>\n}

<\/p>\n

A. 1,2 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 0,96 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 0,64 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,54 mm<\/p>\n

C\u00e2u 17:<\/b>\u00a0M\u1ed9t h\u1ec7 g\u1ed3m hai g\u01b0\u01a1ng ph\u1eb3ng nghi\u00eang nhau m\u1ed9t g\u00f3c \u03b1 = 15\u2019. \u0110\u1eb7t khe s\u00e1ng h\u1eb9p S song song v\u1edbi giao tuy\u1ebfn I c\u1ee7a hai g\u01b0\u01a1ng v\u00e0 c\u00e1ch I m\u1ed9t kho\u1ea3ng r = 20 cm. C\u00e1c tia s\u00e1ng ph\u00e1t ra t\u1eeb A sau khi ph\u1ea3n x\u1ea1 d\u01b0\u1eddng nh\u01b0 ph\u00e1t ra t\u1eeb hai \u1ea3nh S_{1<\/sub>\u00a0v\u00e0 S2<\/sub>\u00a0c\u1ee7a S qua hai g\u01b0\u01a1ng. \u0110\u1eb7t m\u1ed9t m\u00e0n h\u1ee9ng \u1ea3nh E song song v\u1edbi S1<\/sub>\u00a0S2<\/sub>\u00a0c\u00e1hc giao tuy\u1ebfn I c\u1ee7a hai g\u01b0\u01a1ng m\u1ed9t kho\u1ea3ng L = 2,8 m. Ngu\u1ed3n S ph\u00e1t \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng \u03bb = 0,65 \u03bcm. Kho\u1ea3ng v\u00e2n thu \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n c\u00f3 gi\u00e1 tr\u1ecb g\u1ea7n nh\u1ea5t l\u00e0<\/p>\n}

A. 2,2 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,5 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 1,1 mm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,8 mm<\/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	10<\/td>\n	11<\/td>\n	12<\/td>\n	13<\/td>\n	14<\/td>\n	15<\/td>\n	6<\/td>\n	17<\/td>\n<\/tr>\n
\u0110\u00e1p \u00e1n<\/td>\n	B<\/td>\n	C<\/td>\n	D<\/td>\n	D<\/td>\n	B<\/td>\n	C<\/td>\n	C<\/td>\n	C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u 10:<\/b>\u00a0B<\/p>\n <\/p>\n C\u00e2u 11:<\/b>\u00a0C<\/p>\n <\/p>\n C\u00e2u 12:<\/b>\u00a0D<\/p>\n <\/p>\n C\u00e2u 13:<\/b>\u00a0D<\/p>\n <\/p>\n C\u00e2u 14:<\/b>\u00a0B<\/p>\n <\/p>\n C\u00e2u 15:<\/b>\u00a0C<\/p>\n G\u00f3c l\u1ec7ch c\u1ee7a c\u00e1c tia s\u00e1ng qua m\u1ed7i l\u0103ng k\u00ednh : \u03b4 = \u03b1(n \u2013 1).<\/p>\n \u1ea2nh c\u1ee7a S qua hai l\u0103ng k\u00ednh \u0111\u01b0\u1ee3c coi l\u00e0 hai ngu\u1ed3n c\u00e1ch nhau : a=d1<\/sub>2\u03b4=2d1<\/sub>\u03b1(n \u2013 1) , c\u00e1ch m\u00e0n : D=d1<\/sub>+d2<\/sub><\/p>\n <\/p>\n C\u00e2u 16:<\/b>\u00a0C<\/p>\n <\/p>\n <\/p>\n <\/p>\n C\u00e2u 17:<\/b>\u00a0C<\/p>\n \n<\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 10:\u00a0Trong th\u00ed nghi\u1ec7m Y \u2013\u00e2ng v\u1ec1 giao thoa \u00e1nh s\u00e1ng v\u1edbi \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc, kho\u1ea3ng c\u00e1ch t\u1eeb m\u1eb7t ph\u1eb3ng ch\u01b0a hai khe \u0111\u1ebfn m\u00e0n quan s\u00e1t D = 1,2 m. kho\u1ea3ng v\u00e2n \u0111o \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n l\u00e0 i = 0,8 mm. \u0111\u1ec3 kho\u1ea3ng v\u00e2n \u0111o \u0111\u01b0\u1ee3c b\u1eb1ng 1,2 mm, ta c\u1ea7n d\u1ecbch chuy\u1ec3n […]<\/p>\n","protected":false},"author":3,"featured_media":25838,"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