B\u00e0i 3 (trang 198 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang. Ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng trong ph\u00e2n h\u1ea1ch l\u00e0<\/span><\/p>\nA. \u0111\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c n\u01a1tron ph\u00e1t ra.<\/p>\n
B. \u0111\u1ed9ng n\u0103ng c\u00e1c m\u1ea3nh.<\/p>\n
C. n\u0103ng l\u01b0\u1ee3ng t\u1ecfa ra do ph\u00f3ng x\u1ea1 c\u1ee7a c\u00e1c m\u1ea3nh.<\/p>\n
D. n\u0103ng l\u01b0\u1ee3ng c\u00e1c photon c\u1ee7a tia \u03b3<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn \u0111\u00e1p \u00e1n B.<\/p>\n
Ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng trong ph\u00e2n h\u1ea1ch l\u00e0 \u0111\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c m\u1ea3nh.<\/p>\n
V\u00ed d\u1ee5: M\u1ed7i ph\u00e2n h\u1ea1ch Urani gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng 200MeV, l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 nh\u01b0 sau:<\/p>\n
\u0110\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c m\u1ea3nh: 168MeV<\/p>\n
Tia \u03b3: 11 MeV<\/p>\n
C\u00e1c n\u01a1tron + \u03b2 + Nitrino: 21MeV<\/p>\n
B\u00e0i 4 (trang 198 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Ho\u00e0n ch\u1ec9nh c\u00e1c ph\u1ea3n \u1ee9ng:<\/span><\/p>\n![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-552.png\")
<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/2-377.png\")
<\/p>\n
B\u00e0i 5 (trang 198 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0X\u00e9t ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch:<\/span><\/p>\n![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-554.png\")
<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/2-378.png\")
<\/p>\n
B\u00e0i 6 (trang 198 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0T\u00ednh n\u0103ng l\u01b0\u1ee3ng t\u1ecfa ra khi ph\u00e2n h\u1ea1ch 1 kg\u00a0235<\/sup>U. Cho r\u1eb1ng m\u1ed7i ph\u00e2n h\u1ea1ch t\u1ecfa ra n\u0103ng l\u01b0\u1ee3ng 200MeV.<\/span><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-553.png\")
<\/p>\n
\n
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B\u00e0i 1 (trang 198 SGK V\u1eadt L\u00fd 12):\u00a0So s\u00e1nh qu\u00e1 t\u00ecnh ph\u00f3ng x\u1ea1 \u03b1 v\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ea1ch. L\u1eddi gi\u1ea3i: So s\u00e1nh qu\u00e1 tr\u00ecnh ph\u00e2n r\u00e3 v\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ea1ch: – Qu\u00e1 tr\u00ecnh ph\u00f3ng x\u1ea1 \u03b1 l\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y t\u1ef1 ph\u00e1t c\u1ee7a m\u1ed9t h\u1ea1t nh\u00e2n kh\u00f4ng b\u1ec1n v\u1eefng c\u00f2n qu\u00e1 tr\u00ecnh […]<\/p>\n","protected":false},"author":3,"featured_media":24627,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1303],"tags":[1428,1427],"yoast_head":"\n
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