C\u00e2u 15:<\/b>\u00a0\u00calectron trong tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean t\u1eed hi\u0111r\u00f4<\/p>\n

A. \u1edf qu\u1ef9 \u0111\u1ea1o xa h\u1ea1t nh\u00e2n nh\u1ea5t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. \u1edf qu\u1ef9 \u0111\u1ea1o g\u1ea7n h\u1ea1t nh\u00e2n nh\u1ea5t<\/p>\n

C. c\u00f3 \u0111\u1ed9ng n\u0103ng nh\u1ecf nh\u1ea5t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. c\u00f3 \u0111\u1ed9ng l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t<\/p>\n

C\u00e2u 16:<\/b>\u00a0Tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean t\u1eed hi\u0111r\u00f4 l\u00e0 tr\u1ea1ng th\u00e1i d\u1eebng<\/p>\n

A. c\u00f3 n\u0103ng l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t<\/p>\n

B. c\u00f3 n\u0103ng l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t<\/p>\n

C. m\u00e0 \u00ealectron chuy\u1ec3n \u0111\u1ed9ng quanh h\u1ea1t nh\u00e2n v\u1edbi b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o l\u1edbn nh\u1ea5t<\/p>\n

D. m\u00e0 \u00ealectron c\u00f3 t\u1ed1c \u0111\u1ed9 nh\u1ecf nh\u1ea5t<\/p>\n

C\u00e2u 17:<\/b>\u00a0\u0110\u1ed1i v\u1edbi nguy\u00ean t\u1eed hi\u0111r\u00f4, m\u1ee9c n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi qu\u1ef9 \u0111\u1ea1o K l\u00e0 E_{K<\/sub>=-13,6 eV, \u1ee9ng v\u1edbi qu\u1ef9 \u0111\u1ea1o N l\u00e0 EN<\/sub>=-0,85 eV. Khi \u00ealectron chuy\u1ec3n t\u1eeb N v\u1ec1 K th\u00ec ph\u00e1t ra b\u1ee9c x\u1ea1 c\u00f3 b\u01b0\u1edbc s\u00f3ng<\/p>\n}

A. 0,6563 \u03bcm\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 1,875 \u03bcm<\/p>\n

C. 0,0972 \u03bcm\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 0,125 \u03bcm<\/p>\n

C\u00e2u 18:<\/b>\u00a0\u0110\u1ed1i v\u1edbi nguy\u00ean t\u1eed hi\u0111r\u00f4, cho bi\u1ebft n\u0103ng l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1eed \u1edf tr\u1ea1ng th\u00e1i d\u1eebng d\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c E_{n<\/sub>=-13,6\/n^{2<\/sup>\u00a0(t\u00ednh b\u1eb1ng eV) v\u1edbi n = 1, 2, 3,…. Khi \u00ealectron chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i d\u1eebng \u1ee9ng v\u1edbi n = 4 v\u1ec1 tr\u1ea1ng th\u00e1i d\u1eebng \u1ee9ng v\u1edbi n = 1 th\u00ec s\u1ebd ph\u00e1t ra b\u1ee9c x\u1ea1 c\u00f3 t\u1ea7n s\u1ed1<\/p>\n}}

A. 2,927.10^{14<\/sup>\u00a0Hz\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 3,079.1015<\/sup>\u00a0Hz<\/p>\n}

C. 3,284.10^{16<\/sup>\u00a0Hz\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 4,572.1014<\/sup>\u00a0Hz<\/p>\n}

C\u00e2u 19:<\/b>\u00a0\u0110\u1ec3 ion h\u00f3a nguy\u00ean t\u1eed H, c\u1ea7n m\u1ed9t n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u l\u00e0 E = 13,6 eV. T\u1eeb \u0111\u00f3 ta t\u00ednh \u0111\u01b0\u1ee3c b\u01b0\u1edbc s\u00f3ng ng\u1eafn nh\u1ea5t c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c trong quang ph\u1ed5 v\u1ea1ch c\u1ee7a hi\u0111r\u00f4 l\u00e0<\/p>\n

A. 91,34\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 65,36<\/p>\n

C. 12,15\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 90,51<\/p>\n

C\u00e2u 20:<\/b>\u00a0Bi\u1ebft n\u0103ng l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1eed hi\u0111r\u00f4 \u1edf tr\u1ea1ng th\u00e1i d\u1eebng th\u1ee9 n l\u00e0 E_{n<\/sub>=-En<\/sub>=-13,6\/(n^{2<\/sup>\u00a0) eV v\u1edbi n = 1, 2, 3,… l\u00e0 s\u1ed1 th\u1ee9 t\u1ef1 c\u00e1c tr\u1ea1ng th\u00e1i d\u1eebng, t\u00ednh t\u1eeb tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n. B\u01b0\u1edbc s\u00f3ng c\u1ee7a ph\u00f4n ph\u00e1t ra khi nguy\u00ean t\u1eed chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i d\u1eebng v\u1edbi n = 5 v\u1ec1 n\u2019 = 4 l\u00e0<\/p>\n}}

A. \u03bb = 4,059 \u03bcm\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. \u03bb = 3,281 \u03bcm<\/p>\n

C. \u03bb = 1,879 \u03bcm\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. \u03bb = 0,0913 \u03bcm<\/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	5<\/td>\n	6<\/td>\n	7<\/td>\n	8<\/td>\n	9<\/td>\n	10<\/td>\n<\/tr>\n
\u0110\u00e1p \u00e1n<\/td>\n	B<\/td>\n	B<\/td>\n	C<\/td>\n	B<\/td>\n	A<\/td>\n	A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u 19:<\/b>\u00a0A<\/p>\n <\/p>\n C\u00e2u 20:<\/b>\u00a0A<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 15:\u00a0\u00calectron trong tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean t\u1eed hi\u0111r\u00f4 A. \u1edf qu\u1ef9 \u0111\u1ea1o xa h\u1ea1t nh\u00e2n nh\u1ea5t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. \u1edf qu\u1ef9 \u0111\u1ea1o g\u1ea7n h\u1ea1t nh\u00e2n nh\u1ea5t C. c\u00f3 \u0111\u1ed9ng n\u0103ng nh\u1ecf nh\u1ea5t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. c\u00f3 \u0111\u1ed9ng l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t C\u00e2u 16:\u00a0Tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean t\u1eed hi\u0111r\u00f4 l\u00e0 tr\u1ea1ng th\u00e1i d\u1eebng A. c\u00f3 n\u0103ng l\u01b0\u1ee3ng l\u1edbn […]<\/p>\n","protected":false},"author":3,"featured_media":25789,"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