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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 f y97onqep 0/sbeam of particles, it is possible to pr 9onpyfq/se70 oduce

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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 isd kg.r)8 y.yjl $1.6726 \times 10^{-27} \; kg$ 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 m4oo n;)fn /la4ky /6j giv+zif61gs tvalue is conserved in addition to electric charge, energy,6/t vfgg ;sina )n1kfzmj4/o+ilyo6 4 and momentum?

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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 producingl/xvehwa- 1/ gi(2 vltexo(/s fluorine-18 and another particle. Whate o(1/vxslw-iv/t h 2/elg(xa 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 to bw o0)/le2 3s-w6alp1giou 7 m vy1akqye 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 endothea10 n(2eqnwzb)cd 7ecrmic 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 +ew g kuh0 gkfi7,t,so-wq03l nucleus such as uranium splits into two intermediate-sized nuclei after being struck by a neutron is referreio00ew3u,, gtl f- h7kk qsgw+d 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 larger ones is ref 2l3vs1el7mmderred to aslms 7m l13d2ve

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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 *,isv ugn/f-:.sf zx nproducts of a nuclear fission reaction compare to the mass of the origs: ,.fxiz*u/ nsvngf -inal 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 comp -61ri; ti1cyw0rd0gjutd/ w ware to the mass w ;rd 11-u6 wcygr/wijtt0di0 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 underm8:bpdlp977lz( b7 v vz ixs:ogo 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 fissioj(n 9qnpv1 4unn 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 centerq4g-o* jko8qth*8g yl 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, suv,2giukgb-ri4k uy-i6mty ,e f; / ub,ch 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 r8;mu q5lnbx kr.bbo:1 adiates 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 between a hydrogen bomb and a uraniumrz,8w2 hx+ek c 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 "20-kiloton" bomb. Whatea xlpo yb-s 22/s9 1yq-q.xjd-ase (i 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 "critical mass"y8yngw76/d -t i9amka ?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A chain reaction canfy;:h;(o/cf cxu:n :*m- yvpvzc l6kd 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 radiation damc /smn 2-mbbm)age 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 sr bkajjth 9c*egk)6 ;)top beta 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 producti/tpoklbd/y7gx*qt :/ s6 -pn ion?

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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 douf i,wqd 7*4k:k4gpyse7lq) vsage in humans excepqfew*k:d lg7uiy 44 vpk 7sq,)t

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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 tho-x/xhv p .87tulp .mce effective 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 b450ib1f+t,bv uimxfw;+ n b ybombarded with neutrons, 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 reaction 6zjj9ce sa17dtri4u wa :t*v)$^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 m. awlw- )6- opaks4x+g 6 q,jaq;kvqunuclear 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 nuclear reac 0iffo/n-q wc pck6),ifv 0jr5tion: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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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 reactiyi)p*wjlt+(b4/ u ngdf 95hn xon: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuc7z4lx l9.rpuqpa7r2 slear 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 reaction:hc7(eju)vxd.-s 7 ns wv ,p4kxw:g6re $^{27}_{13} Al (\alpha, n)$ 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 particuladycr7k-u2 k:w oj3,/ 3cemjm vr reaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the m 3wjdvjmecm7:o c23r,ky- uk/ass 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 foln9ksf5w ,prb. t8o,y llowing 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 the fo.r u/c)vp 6i*gqzc3rnllowing 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 ) ekfun xlp1 fa7865bwreaction? $^{7} Li \;+\; ^1 p \rightarrow ^4 He \;+\; ^4 He$
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 ofpdi2f; 3yw7,tf-nkb5ojl q0 s 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 release31hx 0w sj6ow peb1o(hd (positive) or absorbed (negative) in the following reactixjh 61os wb (31wphoe0on? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 Xnz csea2ssn 485r7vl,9jcr,a :ky )ys-rays per day and receives 2.5 mrad p,:syssns4c7jar)5ev rly9n za k28c,er X-ray. What is the total dose the technician receives in 250 working days?

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