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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 appropriate beam of particles, ip2say/tf)0y it is posspy /ia0ftsy 2)ible to produce

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of a proton r k0v62bve qpmn*g8.lu kc) k;h1m9vbis $1.6726 \times 10^{-27} \; kg$ 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

Correct Answer:    
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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a nuclear reaction, what value is conserved in6 zkh;/+ r1hvh 8jhxko addition to electric charge, energy, ak;h8hv 1 o/6rzhk h+xjnd 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 fluorin6w0hramqsuxln* m 4 .tg ,eo;+e-18 and another particle. What other partim04+ srm 6lh a*;xe.wngoqu, tcle 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 w j/aab83hwk( 2diy9,ngdeg1 if the total kinetic energy 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 endotheb g,o0u-efcvjq0 :u y1rmic if the total kinetic energy is

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The process during which+w/xklb9jwkwt;z4n 1 q )n)02w xyjoc a heavy nucleus such as uranium splits into two intermediate-sized nucleitn9c j;k)02k w wx1l /yz4nwxo+bwjq) after being struck by a neutron is referred 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 combzxb r 52vwtl hxqgas(3 .x)63oine to form larger ones is referred toh )txbs3g3xq .xaowlz5r(26v as

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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the total mass of the products of a nucle5jjmb.vua/5 gwlwez 05mm; uq;nr2 v2ar fission reaction compare to the5muq2rbv;5jnvg02zwm5l.m e;a jw / u mass of the original elements?

Correct Answer:    
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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How does the mass of the products of a q a0/kw02o b55b3u;ju kmhiub nuclear fusion reaction compare to the mass of the original elemen/ok j0mu5i3q 5a2b ;u w0hbukbts?

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When light elements such px cdv4icynod5/* d48 as hydrogen undergo fusion,

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fission vudxufa( k:j3hja p.a;wc4. - is

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The fuel for nuclear fusion in *2vran9zh1 6icb xfj0the center of the Sun is

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy radiated by a star, such as the Sun, results fr2 swj vyw9* ji4gxwv80om

Correct Answer:    
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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 rvr g90cw,tij5adiates to us?

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Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the principle difference betwee5b 9yhuy8 kqcfg,j1(en a hydrogen bomb and a uranium bomb?

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  One sometimes hears reference to a "dz9vthgq9g9zq7 p*2m 69j lgn 20-kiloton" bomb. What does this mean?

Correct Answer:    
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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the meaning of the term "cr*2wu 5q+dq,pbd.yblpn(b /o f itical mass"?

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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A chain reaction can occ) 4+qsxdk h8f v7i-dkaur

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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The chief hazard of radiation nt.dnyd +x 37g)hxtk9 damage 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 part5amkff bdy 8).8m5prg icles?

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Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is created in pair product ()tu9miuf97e p 0ejzt3z7mroion?

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Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  All of the following are units ux5z4gy+yce8 u sed to describe radiation dosage in humans except8yey5uzxg+ c 4

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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 radiacq-)5p9h .y,hg 3y t9dbo ielztion in a human 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 w w )zjo-k3taktidh **n xh*6,gith neutrons, it can change into

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the fission reaction6jj9b0hu8g o2mvf wm3 $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, the number of neutrons produced is

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reacu1/paqez9e c3 tion: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the followingzxb n9etx/grg3f+u hho)1.1d nuclear reaction: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

Correct Answer:    
Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuvbxa27n8jk-- gsfoj(z/gq9 aclear reaction: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

Correct Answer:    
Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear reaoa * /a4zx 5uzie/cy)cction: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

Correct Answer:    
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Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Complete the following nuclear re eq0lrl w lk.cuv;kks 42g1lj.: as1/daction: $^{27}_{13} Al (\alpha, n)$ produces

Correct Answer:    
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教师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
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 reactilm)uv/o 4e*,oh. hapmon's threshold energy is 9.60 MeV. What is the ratio of the maoea/ )4 *o,hummp vlh.ss of the incident particle to the mass of the stationary target nucleus?

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Find the Q value of the following reaction5x*csvj 7tj fru2w,7m : $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 reacti2m nd(,:s)1wm w dtrzxopjg62on: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 following reacg8)yzmc r3 *ve j,h60 vjnlo;otion? $^{7} Li + ^1 p \rightarrow ^4 He + ^4 He$
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 q8 zok1 se6o-3sn:9ado 0jhkrreaction of the process $^9_4 Be \;(\alpha, n)\; ^{12}_6 C$?

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Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the energy released (posi t icz*4:ys2gvtive) or absorbed (negative) in the following react 4z:*tiv2cgs yion? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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:    
Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An X-ray technician takes an average of ten X-rays per day and rec 8)idq eu* /zw:xzv6hqwqd:2heives 2.5 mrad per X-ray. What is the total dosew*u2:qheqx6 qzd8)v hz d /wi: 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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