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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: 游客未登录  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 beam of particles, it is p60re3njiq/d0:sh(.xe )oz uzc4l eqw ossible lzeuqx4wensihr0 3djo(/6c e z)q .:0to 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 h23;ry 8va zis pze 65nu9dxpwx0,f*r 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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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 electric charm b tkz.:d,s+fge, energy, and momensz.kfd :t b,+mtum?

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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 pr y6wv9x(vf5yg psk)jil j;,l 1oducing fluorine-18 and another particle. What other particle is produced by this nuclear reactyj6w svf9;l1gj5ilkpv (y,x )ion?

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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 total k6b m p1sdwc7,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 b:+ )gy1e vo 4qnvzmj)ze endothermic 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 nucleus sisd51wf oi;ooqe06- guch as uranium splits into two intermediate-sized nuclei after being struck by aog5i 0oq1 f w6-is;eod 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 nuclei combine to form1, +4xb-,1e mxs wau, 9qdi7;r e ob9xeztchtm larger ones is referred td qxeb9 ,+, 47hwxot-9i1r cxbmez1a ,t;umse 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 preug(vb0) p ab80dqqj a+w)xk( oducts of a nuclear fission reaction compare to the mass of the original elementsx b)kbjaw (dqup +0e0v(gqa)8 ?

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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 w5.skb(o h/cft fx/5 9 by(r wdu,hm w.z2n/kscompare to the mass s../xdkyz uhwk55w,brnh( / b cwof9t(2m/fs 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 un6w ..b-dx x8t1wxvsnmr( )i hedergo 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 fissioada/5ub4yz 2 en 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 fusi*yq6 y07xc-q 7i3agbp lx6sumon in the center 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, such as the Sun, kn +r6 mvqo3)s ul2pa6results 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 energt i(udm+-v5uf 5/ebo cy the 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 bojh k/: (oxjpt/*k d*famb 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" bovn(a-zg3jfmu3- a)x vmb. What 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 ak(cqb 1-gg 7ithe term "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 occurlw 5duu 4)iiin 8/s t7vk;q8nv

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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 damage to living cells isk (ke kk4tab79(ib st5;x/9d9yngr um

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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 betvf-tr , xgkt5.a 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 pairne;r gie6udilr ( go( 5n.z6+r 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 tu8i rf) an)0ut6cka(cm8wi fz(9h 9mhumans except 9mf8t)(a8nu )cic6(k90wirhmuat fz

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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 effective dose of radiation jt d/j)r5.da maig +i1in 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 change into+4l:bsoe* n jzjqf ixp68m5d 5

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the fission react,w ip 7w(/:xvr*(jbs absy x(eion $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 reaction:6da kgnn666 pd $^{16}_8 O \;+\; ^1_0 n \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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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 reactiok14s+ r:k,wkw(xg c iwn: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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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 reactioj,q/8gt h 8tsvn: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following uj7r0t2s od4mnuclear 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 nul;*6y z hlina/;uds7dclear reaction: $^{27}_{13} Al (\alpha, n)$ 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 -2.4 MeV, 848a61p6q zc oa2offqvyy sq8 and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary targey2qf 6 a6q oz4 vscf8pya8q81ot 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 reacth(g h. zqw2 : 3s;tb:dyf8nreeion: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 follows:uhy1 gb( yjv oe9x,n5j hm55ing 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 followioma8r9v hj3e)knn/km4i em e7g)7 fj9ng 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 * hr3e*lrh h-8t4a hp.f1 vntvof 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 (pda4ml5 lp(ur)ositive) or absorbed (negative) in the following rra5d4 mu ll)(peaction? $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 day and recedly/rxbc3hremn t i+.0dcqtp 1*1 qgf 2 w41x;ives 2.5 mrad per X-ray. What is the total dose the technician receives in 250 working days? td.tih bl 12nxfq1g/ *+c3dpy1 c;r0xe4rmqw

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总分:38分 及格:22.8分 时间:不限时
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