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PRACTICE：Physics Unit31: Nuclear Energy and Radiation
本Practice来源于https://webassign.org，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 330 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://webassign.org/test330.html
 Author: physics    Total Marks: 38 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月02日 08:24  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a target nucleus is bombarded by an appgx 6t*l9b tsr v1g4r1dld4ygvq ((8kj ropriate beam of particles, it is po44jl1 k ty18g9lb *qt rdrg(dgxvv(6sssible to produce

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of a proton eyzy 2 9e:mf,kxww3jsy:n0v546impo 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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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a nuclear reaction, what value is conseb5 p ms uhhhqfg,.z)37rved in addition to electric charge, ener5)hg bm,s ph7z. h3uqfgy, and momentum?

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A proton strikes an oxygen-18 nucleus producing fluv:)bzoyt6veszlf5 4mqd34 q- orine-18 and another particle. What3sq:)6e5vvb4ztm4fz y o qdl- other particle is produced by this nuclear reaction?

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be exothermic if the total kinetic energy/r z:x gc/bg,b;w yfg* as5ue(,ig6e a is

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A nuclear reaction is said to be endothermic if the total kinetic energy isytz cjl,73w x a17bq)a0istp ,

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which a heavy nucleus such as uranium splits into two interm j1)fl ztqfi2xhdv/8. ediate-sized nuclei after being struck by a neutron is referredq 82. fhx1fj/zd itv)l to as

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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which small nuclei combine to form lwf)u9q ba s*;aarger ones is referred to ab* sfw)q ua;9as

Correct Answer:    
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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the total mass of thnipg av gy,h6t2hb*j 6n:; ur jvr+,1pe products of a nuclear fission reaction compare to thgu ,*rvyr1v6hg n,6:ipnj t; 2a bj+phe mass of the original elements?

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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the mass of the pro9:dcpq/k ,7z8s ulc edz kj 92nvop6p,t:st e*ducts of a nuclear fusion reaction compare to the mass of ud,p tc z s*jqendez99,:/k tv2lo:s 6pcpk87the original elements?

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When light elements such as hydrogen undergo -.2 nhyxzwf.nqa9pug()jh j:fusion,

Correct Answer:    
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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fis. 1,zpr,6 r 4gvictf3 fmsfb2csion is

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fusion in the center of the Sun isvakpw*c47wwc9 u9 h))qm m1xo

Correct Answer:    
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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy radiated by a star, su t*p;uk7+ kfp0bjueiragi5+ 4 ch as the Sun, results from

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Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the source of the energy the Sun radi1: sj7g e81, wgie)8xfixc 4g xnla-bxates to us?

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Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the principle differe rq 4w+ml5*jdng8,hajnce between a hydrogen bomb and a uranium bomb?

Correct Answer:    
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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  One sometimes hears rep dh2+wxfm-+ zference to a "20-kiloton" bomb. What does this mean?

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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the meaning of the term "critical mass"? s4ho4r:j kv0mn9b1 ob

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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A chain reaction can /zio+ kls fxkr-(r dc-4i 7 j.zb.qsx+occur

Correct Answer:    
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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The chief hazard of radiation dams cms mk :77:)qny+namage to living cells is

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Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is necessary to stop beta parta-rck7qo :j*v icles?

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Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is created in pair proc *xab .2nm)hhduction?

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Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  All of the following are un2co w3;akx* vhits used to describe radiation dosage in humans except;2 a3cwkx* vho

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Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A unit that measures the effective dose of radiation in a huz(t7ucm ;ym n9man is the

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Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When lead-207 (Z = 82) is bombarded with neutrons, it can change ingsdhh3.ryg ,qx9 +xqvc* d5)qto

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Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the fission reactimtmf 4n2l(6p zon $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nucljl g//2gga /bbear reaction: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    
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Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reac o1ei yv;kgyv* n s:yb.mg()x0tion: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear v0h/g i,y fluvki7aag4h7 68mreaction: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

Correct Answer:    
Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reactionqs(pi/g) 1q2yitb- vy ge5sq6: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    
Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the followi.u6qk0 q5j mdfng nuclear reaction: $^{27}_{13} Al (\alpha, n)$ produces

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Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The Q value for a particular reaction is -2.4 MeV, and the r8sn)vu g5xvex5+ xt2 jeaction'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 nucleu)vj25ugte8v n5xsx+ xs?

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Find the Q value of the folloh ofaz3*8fa u37pco3 hwing 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 $1.007825 u$

Correct Answer:    
Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Find the Q value of the following reac2j/ 2 kp evilpbel3t.d2k ig; 5j/cc2vtion: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 $1.007825 u$

Correct Answer:    
Mark Problem
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the Q value for the /h qhewi*yld5 o);yu*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 $4.002603 u$

Correct Answer:    
Mark Problem
36#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy of reaction of the7ob55vhtiu (j process $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

Correct Answer:    
Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy release7wv(y+ px k/e*jyi 3w2xbwz9td (positive) or absorbed (negative) in the following reacv*bix z9w2wy pjwek3 ( 7x/yt+tion? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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

Correct Answer:    
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Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An X-ray technician takai n,ve)m7y*3fnikw7 es an average of ten X-rays per day and receives 2.5 mrad per X-ray. Wh7mw avif3yk*, 7)nein at is the total dose the technician receives in 250 working days?

Correct Answer:    
  • :
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    Total:38 mks Pass:22.8 mks Duration:Unlimited
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