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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 beam 74 swex4 popu u,9wv;cof particles, it is pows xc7oeu pp 49w,4;vussible 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 i h.1eh2ghn-mdx zz+/ hs $1.6726 \times 10^{-27} \; kg$ 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 l8j/noz3fy,zi 9 yai7d5 yn n5electric charge, energy, and moo5in ya 8,l7ydz/in35nyf z9j mentum?

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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 p;yrflhpt1(c7v; x 9ahroducing fluorine-18 and another particle. What other particle is produced by this n1 ar y h;(7vhp9tfclx;uclear 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 iv. p.4v.,8rqt krp soqf 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 endothermicn:d3+wge rez c4 p4m.ll* e3:skvnxn0 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 h + w5c:9sl)v jody+d atv+zf1qeavy nucleus such as uranium splits into two intermediate-sized nuclei after being struck by a neutron is referred to aslya :q++5t9z f od s)v+jvdwc1

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The process during whicbpqxoyx ca or41;iq2e8npf-q3 6p 5c7h small nuclei combine to form larger ones is referred t1pear2c -yxo6ix 8;43nqqop 5pcbf7 q 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 fissi c8;j-*.2 vr)hbec wyeosm.f ion reaction compare to the mass of the oreior ;w2 *hv- .ecyc.j8 bm)sfiginal 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 nuclea11g9d ,mp zuw,r9ze zcg70 nnqr fusion reaction compare to the mass of the orim1r,g0 zugn 97ec 9,zzpqdwn 1ginal 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 hydrogc8cqwdk :5(pbh2-c uc en undergo 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 fissygwk(fgx9sustx1h.-2 +r e:lion 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 fusionpe: k5hw,dxx 2 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, 585r+l k.h jmrcbpln5such 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 radiates to usg)kc(4)ckhtr: hkn* v im 9l*n?

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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 b ;z f0qjd-t).2vovjbdifference between a hydrogen bomb 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 rec(wh*8 /smm6i b ve-5g slxpu:ference to a "20-kiloton" bomb. 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 thecbjjn s87;zyxxs+rcyp /3-c9 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 o l:t-,jxd2d2pizybm ( ccur

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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 livinlg8f . jb-e f*fv8*lsnz lj4km:hik7g8d 2+le g 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 particleaur63e) qpo5 csp,b2i s?

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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 piv t.r-rwne4s5j;,d aair 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 usn 3wp uu:om2uflh44/r ed to describe radiation dosage in humans excep :4lu4mf op3u /rhw2unt

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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 rad8;pdpp,y f3qstc*- na iation 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 bomg28qd6ec.yct4usr i 4barded 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 j*y8t:b gburw g:gf30 $^{235}U \;+\; ^{1}n \rightarrow ^{141}Ba \;+\; ^{92}Kr \;+\; neutrons$, 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 nuclel(t)zpfxc 1(zn p v-ypn 6,m5aar 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 reactiol rbm7w nzx /r71.bx8vn: $^{16}_8 O \;+\; ^4_2 He \rightarrow \;\;\;\;\;\; \;+\; ^{19}_{10} Ne$

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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 re5-hj+ / u8 yz4vhpjbplaction: $^{38}_{19} K \;+\; ^1_1 H \rightarrow \;\;\;\;\;\; \;+\; ^{38}_{20} Ca$

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Complete the following nuclear reactio5g2 l/ewjlra3cxl5 nxh e:xttn.0j 63n: $^3_1 H \;+\; ^3_1 H \rightarrow \;\;\;\;\;\; \;+\; ^4_2 He$

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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 rea;4.qiwu1gq 0n p*hkbd c z:t6wction: $^{27}_{13} Al (\alpha, n)$ 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 MeVfjwt :j( g g;1jdoi((9u df9qm, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass ofg;w(jioj t m1fgfd9((9jqud: 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 following react ku(o,qt /s9j 6paaz/gion: $^{14}_7 N \;+\; ^4_2 He \rightarrow ^{17}_8 O \;+\; ^1_1 H$
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 4vz ui9dm e* hpkz86c.yg3igb6si-9tllowing 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 ta:7hasy b6dx -t;yo:lhe 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 reaction of tl1ekabxo(ko a o+4 m2*he 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 (negative) in the folpoh 6l7td7gm,ka+y0nu,:a4gt* pci klowing reaction?6gam t :cupght7oinkp d4 0lyk*,+a, 7 $^3 H \;+\; ^3 H = ^4 He \;+\; 2(^1 n)$
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 p-xbq( 0w n6t aaa t / fmhod71xzpr;z.w:y9kl9er day and receives 2.5 mrad per X wqznabtl/ow xdr:9f6 ht7.1 km; - zaa(y0p9x-ray. What is the total dose the technician receives in 250 working days?

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