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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 particl3p3y,o (vv-;wrfvv kles, it is pos ,;rlo3(p 3yfkv-vvw vsible 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 is9ny2 ,;dftthd $1.6726 \times 10^{-27} \; kg$ 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 conh qdw jl+k,c (7qjk(h4served in addition to electric charge, energy, and momentum?j q kldch w7(+qj4(,hk

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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 oxtwu8wp :,w jer. ,zf1t wb+l7wygen-18 nucleus producing fluorine-18 and another particle. What other particle is pfj wt.ez w+87wl up1w: tb,wr,roduced 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 exothermic if the total kinetic ennn b*e1u :+:6mx(r f;z vyen)ift d3lzergy 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 s8m7t az8rnqbji9)v b .gbo v74pc50h baid to be 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 nucle.+ro x+gfim f.us such as uranium splits into two intermediate-sized nuclei after beingof+ rimfg.+x. 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 largeog.- quw )ph,yr ones is referred twyg,hp -u )qo.o 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 pro1 y;t qrh-k9nkducts of a nuclear fission reaction compare to t9kyq rn1; -tkhhe 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 products ofg- /du+q+(a ccvi a0.2oxrrmr a nuclear fusion reaction compare to the mass vrg q.2a/ciru(xm+da-co r0+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 ysnk 6i-1i:9v+ak-hwtvbf*+ypqy 9nas 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 fg+a. lu dp mm8z+.+wesission 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 , pd4;s5e (afq mlvuo,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 star66e el y+ppd4i, such as the Sun, 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 energ/hnqn i01pbl* yn f-ey).2 zcjy 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 betwe lfo 2i*0yx0ygen 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 reference to a "yi8 a.i+swqvf+v8z6 h 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 the term "crie:i h xcg7,np(tical 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 a5 tz0s ;st:qius6oe4mlg9+h 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 raqc7 y9 ce+lpsd8r,6p6 vni ufsc.k*j:diation damage 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 beta particl rzwsr1dqz- 4)es?

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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 productionf5vk2oz 1 xqh/?

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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 k *fx g uj0a*k0x3dr-vdescribe radiation dosage in humans excep03kv*gju xr-kfax *d0t

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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 radiation99h nz3grpg2x (0odh- morrd4wt u9+ e 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,5 g9- dgjch*me 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 reactn4i7r8td,y + 1htb mysion $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 followintu /*t0wp sn+tg nuclear 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 nusnwhc72 qnv/1clear 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 reactio ,sf x3mwahgi;l;bwk bl5r785n: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuclear reaction: z)qp-f ;(7:v(q zg u:rwpgczn$^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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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 react) 7) r7y2g omcalqg::icnxs5mm j 9j3gion: $^{27}_{13} Al (\alpha, n)$ 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's thresho*89edznobc 9xswco/zb v lyv .l4+ e(2ld energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nuclc9xeb oo (vbs*zn4 cl wly2vz9+8d/e.eus?

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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 b*lwl(h:sr5 t)o sgb 4the 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 to5yk:.c-mlj5 ;r,ndr 4u sqc.9je xje 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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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Q value for the following reaction?nwjsj+0hj r;*n1ni q5 $^{7} Li \;+\; ^1 p \rightarrow ^4 He \;+\; ^4 He$
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 rr0l iun2*7o x4)olu st-/k sgjeaction 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 ( pm6f2kt7 z6gwnegative) in the following reactg6m6wt7kfz 2p ion? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 ten X-rays per day and receives 2r5lbqv:naq- :osvvc.g ww065fu fe, *g .oym- .5 mrad per X-ray. What is the total dose the technician receives in 25:.ew 0gm-n *f:y5bq gv lr,.osu5-6fcwv av qo0 working days?

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