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习题练习:Physics Unit31: Nuclear Energy and Radiation



 作者: physics   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 apprw 9x *uvcwz vbx77odxr8: 37txopriate beam of particles, it is possible to p3wx xotd czv7xur 897w7x b:v*roduce

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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 is5mlk: zmbax2 2 $1.6726 \times 10^{-27} \; kg$ 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 electricpq6xgl38p 9c,r(k- vpsc 0ztl charge, energy, and momrsg 6-x8p p0t,(c9qz kcvlpl3entum?

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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 fluorine-18 and another particl xbw..3cgw6 hhe. What 6w.hgc.xh bw3 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 said t eg. .vujbzq21o 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 -- ng/yctbu a 5e4hl0bendothermic 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 heavi9v+x2 xur6,ze y-hh py nucleus such as uranium splits into two intermediate-sized nuclei after being struck by a neutron is referred to ar2pi yh,v9z u-x xh+e6s

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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 sma+(b0kr,bx,)( xkapx 6sm r erlll nuclei combine to form larger ones is referred to x)r, k+epx6rlsrabb( 0x,km( 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 productssj.,ide of.ls 0 9*hkg of a nuclear fission reaction compare to the mass of the original elements?.kfgod ehi l,90*.ssj

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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 dkxq p3x;;fbbx m:3n(fusion reaction compare to the mass of the originqxfd;3 (bmx3xbk: p; 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 as hydrogevqbw5p,bq -i2+w4 emxn 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 u. o;z2m-n 5gbyftg1szlc*t ;x:r4xwfission 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 Sli1w yseo /at)z:p(3 iun 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 steyykraah 7ok3n7p6v (s,a l ;+ar, 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 energy the Sun radiates to usv4w+ais 8vx ptlb1r*/);i5 zuybg7 dfg9nd ,p?

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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 uranium bomb?cxx(tjxn u , -d (pci0ytwn(/y(8z0hm

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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 vv 5g;nwg 7 dv3c7j.sldoes 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 "critical maj;mkud4 +4m m ma8opq0ss"?

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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 ooh;8j t.9ujktgs66 l hw,i3psccur

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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 radvhyxn5 is 2)eb)ovd*8iation 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 par -0r giouwnz-4lxb0 s8ticles?

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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 pdv lfda9d-/gqm-h ,h)air production?

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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 yai:ov:whs; qqkr0/ z6qtar/wfd 86;to describe radiation dosage in humans excepqk w6af i;r:0qsqtzoh;w /dv/y a:86 rt

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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 effect:sfu48yt 2dezi/l 5 uaive 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 neutrons, it can 5utte2 da0 qf3change 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 y*l (fhn7ohd0 $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 followingz0 1ak-a *niae 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 followitxjqc4f9tq ed;+wls0gk*a j2mc3 (5tng nuclear 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 followi4 w mqf)etpo:(jzy(t. ng nuclear 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 nu rcc -xbre86(:9j kfckclear 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 be-6svo4hw.z+th d wlggw 2/6reaction: $^{27}_{13} Al (\alpha, n)$ 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 rh 4r7kdjy c.d3eaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV.kjr743yh .dc d 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 following reactionr, t:q0kp1xf8 a)epzn : $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 followik1 qt- p4 thn+;y2ypelng 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 g4pt9o8i r x(g 7qjly2uoii( 5the 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 dwp60rd757bsa sft ;h 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 the follo+ 5. ex-.tleop,bq )mmu 5oufdks8ga(wing refd-5eu qo)o+ 5pue 8 bg.mt kmxa(l,.saction? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 Xyk4x+8i d5k wt-rays per day and receives 2.5 mrad per X-ray. What is the totaltd8+k ix4yw 5k dose the technician receives in 250 working days?

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