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习题练习:Physics Unit31: Nuclear Energy and Radiation



 作者: admin   总分: 38分  得分: _____________

答题人: 匿名未登录  开始时间: 23年05月02日 09:09  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a target nucleus is bombarded by an appropriate beam of particlesl 1tnhp:w,y9 j, it is possible to 9j1yh ptln,:w produce

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The mass of a proton is +fi; wd/gmp+i$1.6726 \times 10^{-27} \; kg$ and the mass of a neutron is $1.6749 \times 10^{-27} \; kg$. A proton captures a neutron forming a deuterium nucleus. One would expect the mass of this nucleus to be

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a nuclear reaction, what value is conserved in addition to electri-s.cnu :bdlkq w1 dyg:*.ie/lc charge, energy, and momentuqy.di skc.-e:1/wuld *bngl:m?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton strikes an oxygen-18) l imb;3xipk( nucleus producing fluorine-18 and another particle.)imix pb3l( k; What other particle is produced by this nuclear reaction?

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nuclear reaction is saio;y * r x-vuj3lw5h0d;duk+xz d to be exothermic if the total kinetic energy is

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nuclear reaction is said to bt2.e r + ,ulujjkti4:te endothermic if the total kinetic energy is

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The process during which a heavy nucleus such as m rgzkd+7 +t,vuranium splits into two intermediate+zvrgmd 7+ t,k-sized nuclei after being struck by a neutron is referred to as

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The process during which small nuclei combine to form larger ones i .( o zkbdbec4,q(zw/fgo*x9qs referred t ocx*zz.9fb( we, (qqk/b 4ogdo as

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How does the total mass of the productpr ulpk 1-04zls of a nuclear fission reaction compare to the mass of the original e4r lu1zkplp-0lements?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How does the mass of the producuzba)lz5k6/bg03 j0uq c obp6ts of a nuclear fusion reaction compare to the mass of the origiglb /66zqbjco30)uupa50 z kb nal elements?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light elements such)poq e,fxazu12 u95ub as hydrogen undergo fusion,

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The fuel for nuclear fissi9n8lqw ( +cjcron is

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The fuel for nuclear fusion in the center of the Sun oc8*xn2 o2j7makg qp): 9 zdfpis

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The energy radiated by a star, such as the Sun, resim)y +mup zt 8nqvzo,pr9-2 /yults from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the source of the ene-1:wga( *m /inwux khyrgy the Sun radiates to us?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the principle difference between vay;/-de) cc 0evcd;ya hydrogen bomb and a uranium bomb?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One sometimes hears reference to a "20-kiloton" bomb. What does this mean?1t5t7i f wfrp6

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the meaning of the term "criticx5i3mri7a ck )al mass"?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A chain reaction can occur3vjr6 ttbv9b h g y5iu++v8bd/

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The chief hazard of radiation damaldpr22b bzv(l )rma(vy7b a3. ge to living cells is

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is necessary to stop betax v -p5.my ri-b86goeg particles?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is created in pair producw vq940mx44 a (u8popp8r twnotion?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  All of the following are units used to desc 6ec:)b-ptn zoyr-bz5dz y/1oribe radiation dosage in humans exceptz t1zp-e ob6/y r zo-y)5n:dbc

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A unit that measures the effective dose of radiation in a human is the*0xo (y3bdxk o

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When lead-207 (Z = 82) is bombarded with neutrons, it can c0vt c;a)lkgqc 8vczb5oiou,q.) mq,a5 :8ugwhange into

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the fission reactionqcu(veu*j8)2y ap u ytcuo-79 1)emtq4rb ug; $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following ndyvq*r9 76/8a zh9v 4wymkk bquclear reaction: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuclear re/+3e irf mj(sqaction: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuclear reace ire+893gkhvtion: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the followingf4jl swc6n3ps*(o,y yv- v*o s- onn)s nuclear reaction: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuclear reactiond3xy-owj9fe6w q0 5mr : $^{27}_{13} Al (\alpha, n)$ produces

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Q value for a parfa 0,eogo1c6 f jmn9:aticular reaction is -2.4 MeV, and the reaction's threshold energy is 9 6,o gamcofn1e9 fja:0.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nucleus?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Find the Q value of the f9.i vdy84b owzollowing reaction: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
The isotopic mass for $^{14}_7 N$ is $14.003074 u$
The isotopic mass for $^4_2 He$ is $4.002603 u$
The isotopic mass for $^{17}_8 O$ is $16,999131 u$
The isotopic mass for $^1_1 H$ is $1.007825 u$

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Find the Q value of the following re5ocetfpay h(2x )i f;44++fe oixy s6vaction: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
The isotopic mass for $^{14}_7 N$ is $14.003074 u$
The isotopic mass for $^4_2 He$ is $4.002603 u$
The isotopic mass for $^{17}_8 O$ is $16,999131 u$
The isotopic mass for $^1_1 H$ is $1.007825 u$

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Q value for the e f41xd k9 a*eayz8t 8i85uodqfollowing reaction? $^{7} Li \;+\; ^1 p \rightarrow ^4 He \;+\; ^4 He$
The isotopic mass for $^7 Li$ is $7.016005 u$
The isotopic mass for $^1 p$ is $1.007825 u$
The isotopic mass for $^4 He$ is $4.002603 u$

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the energy of reaction of the6 g n+x;bxjp/y-j1n(i5 e ogwg process $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the energy released (positive) or absorbed (negative) in the fowry1ts2h;l qma 3h-kh7s. frq5x5 ij8 llowing reaction? 5.f8r27wm1qhhrs sh5at x 3ji;ly-kq$^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
The isotopic mass for $^3H$ is 3.016049 u
The isotopic mass for $^4He$ is 4.002603 u
The isotopic mass for $^1n$ is 1.008665 u

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An X-ray technician takes -s7:h m fcu+thyp /(sdan average of ten X-rays per day and receives 2.5 mrad per X-ray. What is the total dose the technician receives phucy /sd-+7 thf m:(sin 250 working days?

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