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习题练习:Physics Unit31: Nuclear Energy and Radiation  作者: physics

答题人: 匿名未登录  开始时间: 23年05月02日 08:24  切换到: 整卷模式

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1#
 
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  When a target nucleus is bombarded by an appropriate beam of particliuzd 7i y/mhb4jjx/n f: 1:t(mes, it is poss7i(fi y1 j / ubthmmzn4:dx:/jible to produce (1.0 分)
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2#
 
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  The mass of a proton*pj6 jtb 5g;m-.o 6mfjjw et5q is $1.6726 \times 10^{-27} \; kg$ 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 (1.0 分)
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3#
 
单选题搜藏此题  
  In a nuclear reaction, what value is conserved in addition to electric chargetdh989:wf-am g8df od , energy, ama-h99:gfd f tddo88 wnd momentum? (1.0 分)
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4#
 
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  A proton strikes an oxygen-18 nucleus producing fluorine-18 and another parti5 ol6ul l1+ct;:t) gbg q.ojdrcle. What other particle is;jo udbg. 5t:6log1t qrll+)c produced by this nuclear reaction? (1.0 分)
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5#
 
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  A nuclear reaction is said to be exothermickifk 57vqa1lnw ata2v84-7js if the total kinetic energy is (1.0 分)
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6#
 
单选题搜藏此题  
  A nuclear reaction is said to be endothermic if the total lbe7hv kvj,4/kinetic energy is (1.0 分)
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7#
 
单选题搜藏此题  
  The process during which a heavy nucleus such as uranium spldg1 b1o9 zxih5its into two intermediate-sized nuclei afbxh1 5z 9ig1doter being struck by a neutron is referred to as (1.0 分)
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8#
 
单选题搜藏此题  
  The process during whir4sc5u q;1u phch small nuclei combine to form larger ones is referred to a sr5u4pqhu c;1s (1.0 分)
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9#
 
单选题搜藏此题  
  How does the total mass of the h23o k7bdck:7qau2jvt7 au t,products of a nuclear fission reaction compare to the mass of thuko2a3tc2ht vu7 :7k 7bq,j dae original elements? (1.0 分)
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10#
 
单选题搜藏此题  
  How does the mass of the products of a83 m( tmfvzf -0,fompfhr(- au nuclear fusion reaction compare to the mass ofm -, m3(a8uorzmf fth-v(fpf 0 the original elements? (1.0 分)
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11#
 
单选题搜藏此题  
  When light elements sun*9ec27r7g.wis 9p 2bnzk pgjch as hydrogen undergo fusion, (1.0 分)
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12#
 
单选题搜藏此题  
  The fuel for nuclear fi:bay+7ialu fmk*t.y *ssion is (1.0 分)
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13#
 
单选题搜藏此题  
  The fuel for nuclear fusion in the center of t.+: furu 4w iu8y,30karu 6ohyii;lrbhe Sun is (1.0 分)
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14#
 
单选题搜藏此题  
  The energy radiated by a star, such as the Sun, results f yf.hc b/g f)lc: zk/o4kl;d*mrom (1.0 分)
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15#
 
单选题搜藏此题  
  What is the source of the energy the Sunp yle c 8.;tfgzgj(p2dh ;u+w9 radiates to us? (1.0 分)
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16#
 
单选题搜藏此题  
  What is the principle difference between a hydrogen bomb and a uranium bomb?-8t k)y s,qw. pterr182ustbk (1.0 分)
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17#
 
单选题搜藏此题  
  One sometimes hears reference to a "20-kiloton" bomb. What does this mea*43 vuf4 r8/7lfar ycvgpqt 3in? (1.0 分)
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18#
 
单选题搜藏此题  
  What is the meaning of the term "critical ma9qdtb 5xy 1m )*:pcmuass"? (1.0 分)
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19#
 
单选题搜藏此题  
  A chain reaction can 805wi(vm pc vhoccur (1.0 分)
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20#
 
单选题搜藏此题  
  The chief hazard of radiation,pd/,d);vk4me popd o damage to living cells is (1.0 分)
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21#
 
单选题搜藏此题  
  What is necessary to stop beta particc(:o ouyamoa: ny-wlt7f2c. - les? (1.0 分)
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22#
 
单选题搜藏此题  
  What is created in pair produc10o-q ks *8fyos* p3;pvg arudtion? (1.0 分)
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23#
 
单选题搜藏此题  
  All of the following are units used to desc.l2 *0rcz e5hns1sa.)/y koz* h oaeybribe radiation dosage in humans exceptkycl.b *ze.zonrhae05)/a s 1hoys* 2 (1.0 分)
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24#
 
单选题搜藏此题  
  A unit that measures the effective dose oii iwq875yjcivy2tk6 j8 +) xsf radiation in a human is the (1.0 分)
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25#
 
单选题搜藏此题  
  When lead-207 (Z = 82) is bombarded with neutrons, it can ezqixr(8p7d4et. l8ilju4 7tchange into (1.0 分)
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26#
 
单选题搜藏此题  
  In the fission reactioz4ky3ws(+(1mpv d bev+n n-lo n $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is (1.0 分)
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27#
 
单选题搜藏此题  
  Complete the following nuclear revc- 9zwtlqev(b: 43mmb1n8/ygk vz 6kaction: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$ (1.0 分)
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28#
 
单选题搜藏此题  
  Complete the following nuclear reacti/3gjt1 dh bv.mb:4zvson: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$ (1.0 分)
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29#
 
单选题搜藏此题  
  Complete the following nuclear 6ci3:ygyu)miv .b j;ah /)smtglb/o0reaction: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$ (1.0 分)
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30#
 
单选题搜藏此题  
  Complete the following nuclear;2(th z0xdy0 m- egtxk reaction: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$ (1.0 分)
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31#
 
单选题搜藏此题  
  Complete the followic4s8n 0 euasq6gjy+ r;ng nuclear reaction: $^{27}_{13} Al (\alpha, n)$ produces (1.0 分)
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32#
 
单选题搜藏此题  
  The Q value for a particular reaction is -2.4 MeV, and the reaction's thresho/llwn81g k4 lu*pjm 6t8 1bbvjld energy is 9.60 MeV. What is the ratio of the mass of the incident particle to4l61 18kpuw/ lbjlm*ng 8tvbj the mass of the stationary target nucleus? (1.0 分)
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33#
 
单选题搜藏此题  
  Find the Q value of the following rea f3vfb(so,3fq).t,gw6 2hao,kw apbo ction: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 $1.007825 u$ (1.0 分)
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34#
 
单选题搜藏此题  
  Find the Q value of the f8 o:i;tln pn0 q fs:eo02x.uxlollowing 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 $1.007825 u$ (1.0 分)
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35#
 
单选题搜藏此题  
  What is the Q value for the following re3ka7bswjnd fj 5cx6 (( yqx2p(action? $^{7} Li + ^1 p \rightarrow ^4 He + ^4 He$
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 $4.002603 u$ (1.0 分)
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36#
 
单选题搜藏此题  
  What is the energy of reak0 fxo.9y::-ovnc lh dto, ak/2mxs 8xction of the process $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$? (1.0 分)
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37#
 
单选题搜藏此题  
  What is the energy released (positidzrc 4 i78f+wbm7sq zy0l,yk6ve) or absorbed (negative) in the following reactioncyz 6+dmirlqf k87b 74,yw0zs ? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 (1.0 分)
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38#
 
单选题搜藏此题  
  An X-ray technician takes an average of ten X-rays per daewd zd65/x/yjs/x y2qy and receives 2.5 mrad per X-ray. What is the total dosexwzdq dyy2s/ /56/exj the technician receives in 250 working days? (1.0 分)
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