B\u00e0i 1 (trang 287 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0S\u1ef1 ph\u00e2n h\u1ea1ch l\u00e0 s\u1ef1 v\u1ee1 m\u1ed9t h\u1ea1t nh\u00e2n n\u1eb7ng.<\/span><\/p>\nA. Th\u01b0\u1eddng x\u1ea3y ra m\u1ed9t c\u00e1ch t\u1ef1 ph\u00e1t th\u00e0nh nhi\u1ec1u h\u1ea1t nh\u00e2n nh\u1eb9 h\u01a1n.<\/p>\n
B. Th\u00e0nh hai h\u1ea1t nh\u00e2n nh\u1eb9 h\u01a1n, do h\u1ea5p th\u1ee5 m\u1ed9t notron.<\/p>\n
C. Th\u00e0nh hai h\u1ea1t nh\u00e2n nh\u1eb9 h\u01a1n v\u00e0 v\u00e0i notron, sau khi h\u1ea5p th\u1ee5 m\u1ed9t notron ch\u1eadm.<\/p>\n
D. Th\u00e0nh hai h\u1ea1t nh\u00e2n nh\u1eb9 h\u01a1n, th\u01b0\u1eddng x\u1ea3y ra m\u1ed9t c\u00e1ch t\u1ef1 ph\u00e1t.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn C.<\/p>\n
B\u00e0i 2 (trang 287 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0\u0110\u1ed3ng v\u1ecb c\u00f3 th\u1ec3 ph\u00e2n h\u1ea1ch khi h\u1ea5p th\u1ee5 m\u1ed9t notron ch\u1eadm l\u00e0<\/span><\/p>\nA.\u00a092<\/sub>228<\/sup>U\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B.\u00a092<\/sub>234<\/sup>U\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C.\u00a092<\/sub>235<\/sup>U\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D.\u00a092<\/sub>239<\/sup>U<\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn C.<\/p>\n
B\u00e0i 3 (trang 287 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0G\u1ecdi k l\u00e0 h\u1ec7 s\u1ed1 nh\u00e2n notron, th\u00ec \u0111i\u1ec1u ki\u1ec7n c\u1ea7n v\u00e0 \u0111\u1ee7 \u0111\u1ec3 ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n c\u00f3 th\u1ec3 x\u1ea3y ra m\u00e0.<\/span><\/p>\nA. k < 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0B. k = 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C. k > 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0D. k \u2265 1.<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn D.<\/p>\n
B\u00e0i 4 (trang 287 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):<\/b>\u00a0X\u00e9t ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch urani U235<\/sup>\u00a0c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh:<\/span><\/p>\n![\"\"](\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-1.png\")
<\/p>\n
T\u00ednh n\u0103ng l\u01b0\u1ee3ng m\u00e0 m\u1ed9t ph\u00e2n h\u1ea1ch t\u1ecfa ra.<\/p>\n
Cho bi\u1ebft :mU<\/sub>\u00a0= 234,99u; mMo<\/sub>\u00a0= 94,88u; mLa<\/sub>\u00a0= 138,87u. B\u1ecf qua kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a electron.<\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ta c\u00f3:<\/p>\n
Q = (M0<\/sub>\u00a0– M)c2<\/sup>\u00a0v\u1edbi M0<\/sub>\u00a0= m(U) + m(n)<\/p>\n= 234,99 + 1,01 = 236u<\/p>\n
M = m(M0<\/sub>\u00a0) + m(La) + 2m(n) = 235,77u.<\/p>\nT\u1eeb \u0111\u00f3 : Q = 0,23u.c2<\/sup>\u00a0= 214 MeV.<\/p>\n\n
<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
C\u00c2U H\u1eceI C\u00e2u 1 (trang 287 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0Ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch l\u00e0 g\u00ec? L\u1eddi gi\u1ea3i: Xem m\u1ee5c 1 ph\u1ea7n KTCB. C\u00e2u 2 (trang 287 sgk V\u1eadt L\u00ed 12 n\u00e2ng cao):\u00a0Ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch d\u00e2y chuy\u1ec1n l\u00e0 g\u00ec? V\u1edbi \u0111i\u1ec1u ki\u1ec7n n\u00e0o th\u00ec n\u00f3 x\u1ea3y ra? L\u1eddi gi\u1ea3i: Xem m\u1ee5c 2, ph\u1ea7n […]<\/p>\n","protected":false},"author":3,"featured_media":24952,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1304],"tags":[1432,1431],"yoast_head":"\n
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L\u1eddi gi\u1ea3i: Xem m\u1ee5c 2, ph\u1ea7n […]","og_url":"https:\/\/lop12.edu.vn\/chuong-9-bai-56-phan-ung-phan-hach\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2018-04-02T06:02:41+00:00","og_image":[{"width":367,"height":39,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-1.png","type":"image\/png"}],"author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/chuong-9-bai-56-phan-ung-phan-hach\/","url":"https:\/\/lop12.edu.vn\/chuong-9-bai-56-phan-ung-phan-hach\/","name":"Ch\u01b0\u01a1ng 9 - B\u00e0i 56: Ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2018-04-02T06:02:41+00:00","dateModified":"2018-04-02T06:02:41+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/chuong-9-bai-56-phan-ung-phan-hach\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/chuong-9-bai-56-phan-ung-phan-hach\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/chuong-9-bai-56-phan-ung-phan-hach\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"Ch\u01b0\u01a1ng 9 – B\u00e0i 56: Ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45","name":"H\u00e0 Trang","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","caption":"H\u00e0 Trang"},"url":"https:\/\/lop12.edu.vn\/author\/trangvth2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24951"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=24951"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24951\/revisions"}],"predecessor-version":[{"id":24953,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24951\/revisions\/24953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media\/24952"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=24951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=24951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=24951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}