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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 bombard 1w1q 3,doafweskzi)0 ed by an appropriate beam of particles, it is posko03e z ,qwsa1)fiwd1sible 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 we e)g 1 3x cr-cqpx(avdy24o5duox(5is $1.6726 \times 10^{-27} \; kg$ 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 isvm( ++i ;fs)vo vfxwsbu m u23:kng71j conserved in addition to electric charge, energy, and momn) g: f+j7uoiswb ( u1mmv3fvvx ks2+;entum?

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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 pro 5xld *yxzw6+el7q)emducing fluorine-18 and another particle. What other particle is produced by t 7wex+ezm 56yqd *x)llhis 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 totala/;e /gxt j2ee 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 endothermic if the total kine qw(mzp+ j+-lgtic 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 nucleus such as uranium s/wdc,qf6fd l2 plits into two intermediatef/lc6q dw fd,2-sized nuclei after being 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 nucletl5 9n ud0jiej7-;urs f(6evui combine to form larger ones is referred tut flv;6( uj0n iru9s7d-jee5 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 products of a nuclear fission re cunvu2. y8noyd3)3tx action compare to the mass2x unuyno38.dv)y tc3 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 of a nuclear fusion reaction comparkvlu3+q 0 w7bi9y3 0jnldbec/e to the mass of the ol3b u3dc+ w0k /9bqv0 ejnl7yiriginal 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 undergo fusuxad5j t x),x+r:xfn(ion,

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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 fgh5s yc x.k no22xqe(g, 9g:utission 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 Sun istnqvbsgo,ppz072 : (h6mcs9 k

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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, such as the Sun, resu yef1fd*d9q9 hlts 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 t4ssr(ib k 2.9 bf.jhtyk8 wmi6he 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 between a hydrogen bomb4xvk:p tgzs3r uf1,9 a 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 "20-kiloton" bomb. What doe w4pvtm4 d0q8vs 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 ter vwriw9llck.+p :f0*h m "critical 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 occu/9 4d, gffngd4/*pzrx k 0lptx+p,z cxr

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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 radiatio1f*e f)jf-+y1 ++vxkfeizf r pn 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 particlesbo8 2q*+nsv8 agi fsz9?

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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 pa;/kh g mng 9 pptk6sxk0g;9e.pir 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 to describe radiation dosage in jf n.wf)u;:pynm7 + imi*gg c(humans except;ynncpw+ jgf u.)ig (f*m7mi:

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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 th u,wf 9ag1 oy+ldxz w)i,um4,zqc2q(je 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 bombarded with neutrons,i 2b4z* 4zcnul 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 h jpmyo z u: *-5:q6oyimiya1/$^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 nuclear rep-e-w xgs ,l(raction: $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuc w: id7-vrax.0vktvk7q(): u7oaghpylear 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 nuclea c0 0eaqcq/;bcr 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 nuclearwjw:49+,6wv basx42g hersqb 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:d0 v bzb)h -*x9fxh*vxe9ps l*f z;ts) $^{27}_{13} Al (\alpha, n)$ 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.pttizkagq469686 3i t cjn, zx4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to 86 cq66zt,kni39xtaitgjpz 4the 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 followingr3s)n ticp5cve2v ,c5 a+ ia0w 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 0,e n cvls0ll:qr tuxod3.z 1,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 pw far+i dxr;w(91x nd4ry q.,the 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 realbykgx0h*8fywxkii30fz s1 s+t(l (m db;6z ,ction 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 (neg v.-ypga8t6+oq +aqilative) in the following ryo + 68 pg+.qaaltq-vieaction? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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:ln tm- gy0in x.k,x+kgm 97is day and receives 2.5 mrad per X-ray. What is the total dose the technician receiveligmtx xs+9.nmng, -k0ki7 :ys in 250 working days?

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