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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 appropriabx 38 pu):tni1tw7 p6 6w: ehuvs1ykwtte beam of particles, it is possible to pr p3 7y)k ixu6ue1tbw:t8hn: t6wp1 vwsoduce

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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 vmu-e:pyl(;;sor,f j 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

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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, whjjcgxpf;x u2 2s*rf 10at value is conserved in addition to electric charge, en21upf*xxjcj ;s 20gfr ergy, and momentum?

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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 nucleus producinrk7 -e6hof*iug fluorine-18 and another particle. What other particle is prodfi 7-rh6k e*ouuced 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 said to be exothermicbod8 pbo v5 8gbs,f:7b 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 be endothermic if the total/ob wny+q bs dmf60ykph5x*h7 *;x .mj 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 uranium splits into two intermeh1ae z(luxvz z7;xuz1a8eb,) diate-sized nuclei after being struck by a neutronaxl,xu1v( ebhez 7 u ;azzz)18 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 combw;43myk )x tpn-p b r9ojhx..uine to form larger ones is referred to ptjb3rhxo-yxk.n.w;)u4 m9 p 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 ) o9/nl yzp yl5bz7u/0vwii7m products of a nuclear fission reaction compare to theb7y zl/ yl )/mw9uiinpo0z75v mass of the original elements?

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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 (ih6r+gin j)s :xg5roproducts of a nuclear fusion reaction compare to the mass of th + jonsgir5h)x:i(rg6e original 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 as hydrogen undez h.ae 2e.+ 4;nd mzi7+kimwosrgo 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 fissionf:dx (s16 qpbx 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 f ujanp76j(/yhusion in the center of the Sun is

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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, resul6m/;(b;p) qmn,fh/k axc erozk c;qr9ts 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 bhc0 2c(xw r6gu+r0xcz1e t94p)rhmyenergy 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 a hydrogen bomb and a kh1g;2 )y9nwbd i .u9fw2 drzyuranium 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 thiuz* lnkt1 2 vintnh..j4t 8d6xs mean?

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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 "critical mag *ig)t4tj 1cuha0v 8jss"?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A chain reaction canyt*vv8cxw u 5: occur

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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 damage to living cells14xudg/hg 3lmhq rc137 k:xej 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 bettus*dc) .s v l/:9qknr8q kc2dy)*t(, oreknda 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 produ:ydw 321pz,qb-p1 9 nkbkofzz ction?

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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 describe radiation7sw o:vt2em* q dosage in humans exceptsv27 wqm* eo:t

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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 efjt (sq b 0e8de8.a 1j5(qeunmkfective dose of radiation in a human is the

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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 neutro 0 q-ef2zr v)wv-zg.+uov ad*hns, it can change 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 reaction r+6 -9myz :w2i0kp1q;/afri ks.;k viiquwpt$^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 nuclear reaction: izku n9nn 6q+fse xy1+,a79ql$^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nucl s5+g2i rj9h 6x z5tbas0lky;year reaction: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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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 u wz+/mtpz+/h (btj9zreaction: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nucles8d4bp2is 8us ar 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 r3 pqyrj e:fng27nh 58peaction: $^{27}_{13} Al (\alpha, n)$ 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 particular reaction is -2.4 MeVg(gk/;xstqfj :; bcvl)t1ue7, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nlf(kqs7g;ugetb:/t1xj ) v ;cucleus?

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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 tztj (whx6t-h:he following 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 rk y2e) ,vyue nn*e 1pgsw3zq/o8ey8r4xh1n3deaction: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 t0nwe2z g +6gahhe following 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 o;:e2aao7z xd yqn) jb,f reaction of the 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 th w;0.1ri q* dhxeg1 jbrb0noy0e following reactiodnr.egib 0xqw ob;h101j*r 0yn? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 an average ofh.9lcm8ro il d,7- hua ten X-rays per day and receives 2.5 mrad per X-ray. What is the total dose the technician receivesd uia -l7.hch r8,ml9o in 250 working days?

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