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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 particles, it isgtev2 ; 3(2tfvgzlqk (62ajtv possible t;(lt2e3vqv2 tvg 62kfz(ajg to 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 j+9 tfxtou-v,s,x7 e6k(e qziis $1.6726 \times 10^{-27} \; kg$ 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 elec + rgp0nmp wepak9t3;0tric charge, energy, and momentum9;gwp pe p3a+ mkn00rt?

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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 producing l0sfju0wsvbg / jzg h-7* .)amfluorine-18 and another particle. What other particle is producedzvha/j 7j*- 0us)mbggw0 sfl. 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 iksb e ( (h1x46y:chfnws said 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 be endo1,0ft kfc0y vx4zn uu2pwbenpa;k 71(thermic 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 ww zl/w-meam45 .qbv4j hich a heavy nucleus such as uranium splits into two intermediate-sized nuclei after being struck by a neutron is referred.m/v-wmz 5jawlb 4e q4 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 nuo:nz aka7.,ve fdgw* 8clei combine to form larger ones is referred te*k7 wzfd8:. a ng,aovo 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 products o8 :9 ztf12msc, jyqkdxf a nuclear fission reaction compare to the masft:dzmqy8 c ,9k21jsx s 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 products of a nuclear fusion reaction compare to u0zp8 b)utt. o juesd.f3a5 t;the matt0ub pf3.5z .de) uu8sa tj;oss of the 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 under(0h11i*v sxf9jwb5 bzz/s2 vhmwe u3x go 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 fissirc/:qxy j: dg xsp/z0pw/aj6(on 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 fusipc/ s6(ya;qptmn;9 *nr:on daon 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 myk+qkl;5 bm7w 0vwi13 wi0h xSun, results 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 energy the Sun radiates 6:: xekbk5ablt7yxkw2sg 4 89x pz -gbto 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 betwee)bv;zk af+9p7lzl,(i :n2k o y1c5k,odahq sin a 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 referentfk h7pp1tm +(,x;m 8c (qossgce to a "20-kiloton" bomb. What does this 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 thv, du q2(sc5owe ct(4be term "critical 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 u mgow5; 0y l9ss1p qi/(sao+foccur

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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 gi mwd d dn7v,t6ay9++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 be-9l62knbhei d(k) zzr* +pzx sta 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 production?w+xsy 4:rs gh; (ooo+b

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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 radiation dosds-fq 33m l.8o8ohm osage in humans excepts 3.o-slo8m 3 q8dmhof

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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 rai-/w6kyoy2 cd diation 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 neutrons, it can.hgl*4zu64x y:h g0z 5eh qqsv 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 5y7yl z2rb2s/a pby) aq.vod*$^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 reactiod3vu)fqut, -p3yw :pin: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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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 reaction:qg(4 e3k.ycxs $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following np:orz7 7/zswhwpt )j9uclear reaction: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nucleay ez2hxqfl.b*69rb s4 r 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 re,qejmw-k:gb-glut ; t*lp,. h action: $^{27}_{13} Al (\alpha, n)$ 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 MeV, and the reaction'so2xd g7n:n drkp .x.*g threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the s:2.7dgxr n.kdogp x* ntationary 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 following reaction: d7buj-( se7fo$^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 reaction: 1l-qwe p tv.y0qhkg55 $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 i*og /e1ogx.ut1mg ,/hvgqt 8l(q tws b)ue6 3for the 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 of reaction of the proces *i ap3)saw546;,xt0gihpoiw4pcc xrs $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

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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 releasedggn jmmfe-cf8 *-f-6l (positive) or absorbed (negative) in the following reactiogl8 -- ne6 m-fcfgjfm*n? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 of tez,6gp v/ bgvz.n X-rays per day and receives 2.5 mrad per X-ray. b/gvpzzv6 g .,What is the total dose the technician receives in 250 working days?

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