C\u00e2u 8:<\/b>\u00a0\u0110\u1ed1i v\u1edbi nguy\u00ean t\u1eed hi\u0111r\u00f4, b\u00e1n k\u00ednh Bo l\u00e0 ro<\/sub>=5,3.10-11<\/sup>\u00a0m. Nguy\u00ean t\u1eed hi\u0111r\u00f4 c\u00f3 th\u1ec3 c\u00f3 b\u00e1n k\u00ednh n\u00e0o sau \u0111\u00e2y?<\/p>\n A. 242.10-12<\/sup>\u00a0m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 477.10-12<\/sup>\u00a0m<\/p>\n C. 8,48.10-11<\/sup>\u00a0m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 15,9.10-11<\/sup>\u00a0m<\/p>\n C\u00e2u 9:<\/b>\u00a0Cho b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o K trong nguy\u00ean t\u1eed hi\u0111r\u00f4 l\u00e0 ro<\/sub>=0,53 A\u030a. T\u1ed1c \u0111\u1ed9 c\u1ee7a \u00ealectron tr\u00ean qu\u1ef9 \u0111\u1ea1o n\u00e0y l\u00e0<\/p>\n A. 2,2.106<\/sup>\u00a0m\/s\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 1,1.106<\/sup>\u00a0m\/s<\/p>\n C. 2,2.105<\/sup>\u00a0m\/s\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 1,1.105<\/sup>\u00a0m\/s<\/p>\n C\u00e2u 10:<\/b>\u00a0Bi\u1ebft t\u1ed1c \u0111\u1ed9 c\u1ee7a \u00ealectron tr\u00ean qu\u1ef9 \u0111\u1ea1o d\u1eebng th\u1ee9 hai c\u1ee7a nguy\u00ean t\u1eed hi\u0111r\u00f4 l\u00e0 1,09.106<\/sup>\u00a0m\/s. T\u1ed1c \u0111\u1ed9 c\u1ee7a \u00ealectron tr\u00ean qu\u1ef9 \u0111\u1ea1o d\u1eebng th\u1ee9 ba l\u00e0<\/p>\n A. 0,73.106<\/sup>\u00a0m\/s\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 1,64.106<\/sup>\u00a0m\/s<\/p>\n C. 0,48.106<\/sup>\u00a0m\/s\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 2,18.106<\/sup>\u00a0m\/s<\/p>\n C\u00e2u 11:<\/b>\u00a0V\u1edbi ro<\/sub>\u00a0l\u00e0 b\u00e1n k\u00ednh Bo. Trong nguy\u00ean t\u1eed hi\u0111r\u00f4, khi \u00ealectron chuy\u1ec3n \u0111\u1ed9ng tr\u00ean qu\u1ef9 \u0111\u1ea1o O th\u00ec c\u00f3 b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o l\u00e0<\/p>\n A. 4ro<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 9ro<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C. 16ro<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 25ro<\/sub><\/p>\n C\u00e2u 12:<\/b>\u00a0Trong nguy\u00ean t\u1eed hi\u0111r\u00f4, b\u00e1n kinh Bo l\u00e0 0,53 A\u030a. B\u00e1n kinh b\u1eb1ng 19,08 A\u030a l\u00e0 b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o th\u1ee9<\/p>\n A. 3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C. 5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 6<\/p>\n C\u00e2u 13:<\/b>\u00a0Qu\u1ef9 \u0111\u1ea1o c\u1ee7a \u00ealectron trong nguy\u00ean t\u1eed hi\u0111r\u00f4 \u1edf tr\u1ea1ng th\u00e1i En<\/sub>\u00a0c\u00f3 b\u00e1n k\u00ednh<\/p>\n A. t\u1ec9 l\u1ec7 thu\u1eadn n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi n<\/p>\n C. t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi n2<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi n2<\/sup><\/p>\n C\u00e2u 14:<\/b>\u00a0T\u00ecm ph\u00e1t bi\u1ec3u sai<\/p>\n Qu\u1ef9 \u0111\u1ea1o d\u1eebng c\u1ee7a \u00ealectron trong nguy\u00ean t\u1eed hi\u0111r\u00f4 l\u00e0 qu\u1ef9 \u0111\u1ea1o<\/p>\n A. c\u00f3 b\u00e1n k\u00ednh x\u00e1c \u0111\u1ecbnh<\/p>\n B. c\u00f3 b\u00e1n k\u00ednh t\u1ec9 l\u1ec7 v\u1edbi c\u00e1c s\u1ed1 nguy\u00ean li\u00ean ti\u1ebfp<\/p>\n C. c\u00f3 b\u00e1n k\u00ednh t\u1ec9 k\u1ec7 v\u1edbi b\u00ecnh ph\u01b0\u01a1ng c\u00e1c s\u1ed1 nguy\u00ean li\u00ean ti\u1ebfp<\/p>\n D. \u1ee9ng v\u1edbi n\u0103ng l\u01b0\u1ee3ng \u1edf tr\u1ea1ng th\u00e1i d\u1eebng<\/p>\n H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0111\u00e1p \u00e1n<\/b><\/p>\n C\u00e2u 8:<\/b>\u00a0B<\/p>\n V\u00ec 477.10-12<\/sup>\u00a0m=4ro<\/sub>\u00a0c\u00f3 d\u1ea1ng n2<\/sup>ro<\/sub><\/p>\n C\u00e2u 10:<\/b>\u00a0A<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 8:\u00a0\u0110\u1ed1i v\u1edbi nguy\u00ean t\u1eed hi\u0111r\u00f4, b\u00e1n k\u00ednh Bo l\u00e0 ro=5,3.10-11\u00a0m. Nguy\u00ean t\u1eed hi\u0111r\u00f4 c\u00f3 th\u1ec3 c\u00f3 b\u00e1n k\u00ednh n\u00e0o sau \u0111\u00e2y? A. 242.10-12\u00a0m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 477.10-12\u00a0m C. 8,48.10-11\u00a0m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. 15,9.10-11\u00a0m C\u00e2u 9:\u00a0Cho b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o K trong nguy\u00ean t\u1eed hi\u0111r\u00f4 l\u00e0 ro=0,53 A\u030a. T\u1ed1c \u0111\u1ed9 c\u1ee7a \u00ealectron tr\u00ean qu\u1ef9 \u0111\u1ea1o n\u00e0y l\u00e0 A. 2,2.106\u00a0m\/s\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. 1,1.106\u00a0m\/s C. […]<\/p>\n","protected":false},"author":3,"featured_media":25793,"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 8<\/td>\n 9<\/td>\n 10<\/td>\n 11<\/td>\n 12<\/td>\n 13<\/td>\n 14<\/td>\n<\/tr>\n \n \u0110\u00e1p \u00e1n<\/td>\n B<\/td>\n A<\/td>\n A<\/td>\n D<\/td>\n D<\/td>\n C<\/td>\n B<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n