C\u00e2u 11:<\/b>\u00a0Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c h\u1ea1t l\u00e0: m_{p<\/sub>=1,00728 u ,mn<\/sub>=1,00867 u,me<\/sub>=0,000549 u. \u0110\u1ed9 h\u1ee5t kh\u1ed1i c\u1ee7a h\u1ea1t nh\u00e2n\u00a06<\/sub>^{12<\/sup>C l\u00e0<\/p>\n}}

A. 12,09 u \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 0,0159 u<\/p>\n

C. 0,604 u \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,0957 u<\/p>\n

C\u00e2u 12:<\/b>\u00a0Cho kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n s\u1eaft\u00a0_{26<\/sub>^{56<\/sup>Fe l\u00e0 55,9207 u, kh\u1ed1i l\u01b0\u1ee3ng \u00ealectron l\u00e0 me<\/sub>\u00a0= 0,000549 u. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1eed s\u1eaft\u00a026<\/sub>56<\/sup>Fe l\u00e0<\/p>\n}}

A. 55,934974 u \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 55,951444 u<\/p>\n

C. 56,163445 u \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 55,977962 u<\/p>\n

C\u00e2u 13:<\/b>\u00a0N\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft ri\u00eang c\u1ee7a h\u1ea1t nh\u00e2n \u03b1 l\u00e0 28,4 MeV c\u1ee7a h\u1ea1t nh\u00e2n\u00a0_{8<\/sub>^{16<\/sup>O l\u00e0 128 MeV. H\u1ea1t nh\u00e2n\u00a08<\/sub>16<\/sup>O b\u1ec1n v\u1eefng h\u01a1n \u03b1 v\u00ec<\/p>\n}}

A. n\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft c\u1ee7a h\u1ea1t nh\u00e2n\u00a0_{8<\/sub>^{16<\/sup>O l\u1edbn h\u01a1n h\u1ea1t \u03b1<\/p>\n}}

B. s\u1ed1 kh\u1ed1i h\u1ea1t nh\u00e2n\u00a0_{8<\/sub>^{16<\/sup>O l\u1edbn h\u01a1n s\u1ed1 kh\u1ed1i h\u1ea1t \u03b1<\/p>\n}}

C. n\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft ri\u00eang c\u1ee7a h\u1ea1t nh\u00e2n\u00a0_{8<\/sub>^{16<\/sup>O l\u1edbn h\u01a1n h\u1ea1t \u03b1<\/p>\n}}

D. \u0111i\u1ec7n t\u00edch c\u1ee7a h\u1ea1t nh\u00e2n\u00a0_{8<\/sub>^{16<\/sup>O l\u1edbn h\u01a1n h\u1ea1t \u03b1<\/p>\n}}

C\u00e2u 14:<\/b>\u00a0N\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft c\u1ee7a h\u1ea1t nh\u00e2n \u0111\u01a1teri l\u00e0 2,2 MeV v\u00e0 c\u1ee7a\u00a0_{2<\/sub>^{4<\/sup>He l\u00e0 28 MeV. N\u1ebfu hai h\u1ea1t nh\u00e2n \u0111\u01a1teri t\u1ed5ng h\u1ee3p th\u00e0nh\u00a02<\/sub>4<\/sup>He th\u00ec n\u0103ng l\u01b0\u1ee3ng t\u1ecfa ra l\u00e0<\/p>\n}}

A. 30,2 MeV \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 25,8 MeV<\/p>\n

C. 23,6 MeV \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 19,2 MeV<\/p>\n

C\u00e2u 15:<\/b>\u00a0N\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft c\u1ee7a c\u00e1c h\u1ea1t nh\u00e2n\u00a0_{2<\/sub>^{4<\/sup>He ;\u00a01<\/sub>2<\/sup>D ;\u00a058<\/sub>140<\/sup>Ce v\u00e0\u00a092<\/sub>235<\/sup>U l\u1ea7n l\u01b0\u1ee3t l\u00e0 28,3 MeV ; 2,2 MeV ; 1183 MeV v\u00e0 1786 MeV. H\u1ea1t nh\u00e2n b\u1ec1n v\u1eefng nh\u1ea5t l\u00e0<\/p>\n}}

A.\u00a0_{58<\/sub>^{140<\/sup>Ce \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B.\u00a02<\/sub>4<\/sup>He<\/p>\n}}

C.\u00a0_{1<\/sub>^{2<\/sup>D \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D.\u00a092<\/sub>235<\/sup>U<\/p>\n}}

C\u00e2u 16:<\/b>\u00a0Kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed c\u1ee7a\u00a0_{26<\/sub>^{56<\/sup>Fe l\u00e0 55,934939 u. Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng proton mp<\/sub>\u00a0= 1,00728 u. N\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft ri\u00eang c\u1ee7a h\u1ea1t nh\u00e2n\u00a026<\/sub>56<\/sup>Fe l\u00e0<\/p>\n}}

A. 7,49 MeV\/nucl\u00f4n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 7,95 MeV\/ nucl\u00f4n<\/p>\n

C. 8,55 MeV\/nucl\u00f4n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 8,72 MeV\/nucl\u00f4n<\/p>\n

C\u00e2u 17:<\/b>\u00a0N\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft c\u1ee7a c\u00e1c h\u1ea1t nh\u00e2n\u00a0_{2<\/sub>^{4<\/sup>He ;\u00a055<\/sub>142<\/sup>Cs ;\u00a040<\/sub>90<\/sup>Zr v\u00e0\u00a092<\/sub>235<\/sup>U l\u1ea7n l\u01b0\u1ee3t l\u00e0 28,4 MeV ; 1178 MeV ; 783 MeV v\u00e0 1786 MeV. H\u1ea1t nh\u00e2n b\u1ec1n v\u1eefng nh\u1ea5t trong s\u1ed1 c\u00e1c h\u1ea1t nh\u00e2n n\u00e0y l\u00e0<\/p>\n}}

A.\u00a0_{55<\/sub>^{142<\/sup>Cs \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B.\u00a02<\/sub>4<\/sup>He<\/p>\n}}

C.\u00a0_{40<\/sub>^{90<\/sup>Zr \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D.\u00a092<\/sub>235<\/sup>U<\/p>\n}}

C\u00e2u 18:<\/b>\u00a0D\u00f9ng h\u1ea1t \u03b1 b\u1eafn ph\u00e1t h\u1ea1t nh\u00e2n\u00a0_{13<\/sub>^{27<\/sup>Al ta c\u00f3 ph\u1ea3n \u1ee9ng :\u00a013<\/sub>27<\/sup>Al+\u03b1\u219215<\/sub>30<\/sup>P+n. Bi\u1ebft m\u03b1<\/sub>=4,0015 u ; mAl<\/sub>=26,974 u ; mp<\/sub>=29,970 u ; mn<\/sub>=1,0087 u;1 u=931 MeV\/c2<\/sup>. T\u1ed1c \u0111\u1ed9 t\u1ed1i thi\u1ec3u c\u1ee7a h\u1ea1t \u03b1 \u0111\u1ec3 ph\u1ea3n \u1ee9ng tr\u00ean x\u1ea3y ra l\u00e0<\/p>\n}}

A. 1,44.10^{7<\/sup>\u00a0m\/s \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,2.107<\/sup>\u00a0m\/s<\/p>\n}

C. 7,2.10^{6<\/sup>\u00a0m\/s \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 6.106<\/sup>\u00a0m\/s<\/p>\n}

C\u00e2u 19:<\/b>\u00a0Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n\u00a0_{6<\/sub>^{12<\/sup>C l\u00e0 mC<\/sub>\u00a0= 11,9967 u, m\u03b1<\/sub>\u00a0= 4,0015 u. Cho 1 uc2<\/sup>\u00a0= 931,5 MeV. N\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u \u0111\u1ec3 ph\u00e2n chia h\u1ea1t nh\u00e2n\u00a06<\/sub>12<\/sup>C th\u00e0nh ba h\u1ea1t \u03b1 l\u00e0<\/p>\n}}

A. 6,27 MeV \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 7,26 MeV<\/p>\n

C. 8,12 MeV \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 9,46 MeV<\/p>\n

C\u00e2u 20:<\/b>\u00a0Ng\u01b0\u1eddi ta d\u00f9ng photon b\u1eafn ph\u00e1 h\u1ea1t nh\u00e2n\u00a0_{4<\/sub>^{9<\/sup>Be \u0111\u1ee9ng y\u00ean. Ph\u1ea3n \u1ee9ng cho ta h\u1ea1t \u03b1 v\u00e0 h\u1ea1t nh\u00e2n X. Bi\u1ebft \u0111\u1ed9ng n\u0103ng c\u1ee7a photon l\u00e0 W\u0111p<\/sub>\u00a0= 5,45 MeV, c\u1ee7a h\u1ea1t \u03b1 l\u00e0 W\u0111\u03b1<\/sub>\u00a0= 4 MeV, v\u1eadn t\u1ed1c c\u1ee7a photon v\u00e0 c\u1ee7a h\u1ea1t \u03b1 vu\u00f4ng g\u00f3c nhau. \u0110\u1ed9ng n\u0103ng c\u1ee7a h\u1ea1t X l\u00e0<\/p>\n}}

A. 2,125 MeV \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 7,575 MeV<\/p>\n

C. 3,575 MeV \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 5,45 MeV<\/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	11<\/td>\n	12<\/td>\n	13<\/td>\n	14<\/td>\n	15<\/td>\n	16<\/td>\n	17<\/td>\n	18<\/td>\n	19<\/td>\n	20<\/td>\n<\/tr>\n
\u0110\u00e1p \u00e1n<\/td>\n	D<\/td>\n	A<\/td>\n	C<\/td>\n	C<\/td>\n	A<\/td>\n	C<\/td>\n	C<\/td>\n	B<\/td>\n	B<\/td>\n	CS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u 11:<\/b>\u00a0D<\/p>\n Kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n\u00a06<\/sub>12<\/sup>C l\u00e0 :<\/p>\n mc<\/sub>=12-6me<\/sub>=12-6.0,000549=11,9967u<\/p>\n N\u00ean c\u00f3 \u0111\u1ed9 h\u1ee5t kh\u1ed1i \u0394mc<\/sub>=6.1,00728u+6.1,00867u-11,9967u=0,0957u<\/p>\n C\u00e2u 12:<\/b>\u00a0A<\/p>\n m = 55,9207 + 25.0,000549 = 55,934974 u<\/p>\n C\u00e2u 14:<\/b>\u00a0C<\/p>\n Q = (28,0 \u2013 2,2.2) = 23,6 MeV<\/p>\n C\u00e2u 17:<\/b>\u00a0C<\/p>\n N\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft tri\u00ean c\u1ee7a ch\u00fang l\u1ea7n l\u01b0\u1ee3t l\u00e0 : 7,1 ; 8,3 ; 8,7 ; 7,6 (MeV\/nucl\u00f4n) ta th\u1ea5y\u00a040<\/sub>90<\/sup>Zr c\u00f3 n\u0103ng l\u01b0\u1ee3ng li\u00ean k\u1ebft ri\u00eang l\u1edbn nh\u1ea5t n\u00ean b\u1ec1n v\u1eefng nh\u1ea5t.<\/p>\n C\u00e2u 18:<\/b>\u00a0B<\/p>\n T\u00ednh n\u0103ng l\u01b0\u1ee3ng W \u0111\u1ec3 x\u1ea3y ra ph\u1ea3n \u1ee9ng. T\u1eeb \u0111\u00f3 t\u00ecm \u0111\u01b0\u1ee3c :<\/p>\n <\/p>\n C\u00e2u 20:<\/b><\/p>\n <\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 11:\u00a0Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c h\u1ea1t l\u00e0: mp=1,00728 u ,mn=1,00867 u,me=0,000549 u. \u0110\u1ed9 h\u1ee5t kh\u1ed1i c\u1ee7a h\u1ea1t nh\u00e2n\u00a0612C l\u00e0 A. 12,09 u \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 0,0159 u C. 0,604 u \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,0957 u C\u00e2u 12:\u00a0Cho kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n s\u1eaft\u00a02656Fe l\u00e0 55,9207 u, kh\u1ed1i l\u01b0\u1ee3ng \u00ealectron l\u00e0 me\u00a0= 0,000549 u. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1eed […]<\/p>\n","protected":false},"author":3,"featured_media":25761,"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