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习题练习:Physics Unit30: Nuclear Physics and Radioactivity

 作者: physics   总分: 71分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 14:22  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  
  Which of the atomic particles has the leastg9:bnu (w* f zoe8dvbrh*83mh mass?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The mass of an atom nrx z*5sr9g+z23 mucmis

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus5s j)vyk+fd3vp k.m 1o consists of

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An atom's atomic number is determined by thlkav//ngs1v y:5s 4q dky (p h(rfd,9ye number of

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An atom's mass number is determined by the numb8pjn8t vec a4 9bm0 w2rl7ct8ier of

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If an atom's atomic number is givsh0 ,t2do ztt3en by Z, its atomic mass by A, and its neutron number by N, which of the following is correc,hd tsotz02 t3t?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a neutron is emitted from an unstable nucleus, the atomic mass 2 t*ze9fl 6dwynumber of the dty2 zwe6*9fl nucleus

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of protons in a;z1,sl7kv vhy3iob zs(2wkqs vv e,8lm; nc*4n atom is

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  There is a limit to the size of a stable nu( ilptioc7 ev:3kpun zddpm -/ w+( +ba7p04vwcleus because of

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Atoms with the same atomic number but with different numbers of neutrons are recierg 709hzz43b pu+v ferbzg ze i+43 0cu9prh7vred to as

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Isotopes of an element have nucle6vd9p 6+s .zyipfzs t;i with

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic mass unit q5 dz ax87f*szrapl,*is defined as

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the masses of its separate protons and neuthc yl )*p7fhxemdo8-2rons, the total mass of a stable nucleu7lm8de*c2 xhyh pf)-o s is always

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When nucleons join to for5r bjv w,wg5g+c .r5cnm a stable nucleus, energy is

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy of a nucleu o7hl-oupj3 x4s is contributed to

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy perd m3 1t2ukst+r nucleon is

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy per nqkmr*wcwy9d8p z/(4x ucleon

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following statements concerning the nuclear force is f 0(gmah6 :mht;l)q hjwalse?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the electrostatic forocwi (n(uyey1j*ovm :q0ma ;:26 r fffce, the nuclear force between adjacent protons in a nucle;foaw 26r: n qv1yc :jif(f0ymu*m(oeus is

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha rays can penetrate ua7thskn,q-k*vz kof5cg284

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetraaua,99h rlj k1te

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrate ev4ny b1uu,.q

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An a particle is alsoug* )digxn. z4h30 ra,v fpn2e known as

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A $b-$ particle is also known as

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A $b+$ particle is also known as

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A gamma ray is also kno48; evevh t4hayw*q(rlwv+r2 wn as

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle will be attrath07y*x ym)b y.s gx5acted to a

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha particles have an atomic4tel t:ne/+ wf mass equal to

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When an alpha particle is emitted from 3 l;/ giem6lkqan unstable nucleus, the atomic mass number e6km3 li;qlg /of the nucleus

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When an alpha particle is nsje: ;p1:aly emitted from an unstable nucleus, the atomic number of the nucleuspa:1js n e;l:y

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The expression (MX - MY - Ma) x 931.5 represefvv k+el0-18g tc/eamnts

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In beta decay

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  During $b+$ decay

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  During $b-$ decay

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a $b+$ particle is emitted from an unstable nucleus, the atomic number of the nucleus

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a $b-$ particle is emitted from an unstable nucleus, the atomic number of the nucleus

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a $b-$ particle is emitted from an unstable nucleus, the atomic mass number of the nucleus

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is most nearly the same as a gamx16db xi ambrg:q0xxx57z, p+ma ray?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a gamma ray is emi h *31jj/eqnlm(d8i /y 3vwzsjtted from an unstable nucleus,

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which particle has the most masnd3ghme n,y:e4l un2f68 5tt ks?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In all three types of radioactive decay, what vaeq3o+ysx cxkoq-+.,+i8kpe hlue is conserved in addition to electric charge, energy, and mpkeq. ce, x+ 3i8-+oyo+hxsq komentum?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What happens to the half-li,--ddh)qpnsh g fg4m(fe of a radioactive substance as it decays?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In radioactive dating, carbon-14 is often used. This nucleus w+djn- ft4cf4 emits a single beta particle when it decayn -4j+4ctwfd fs. When this happens, the resulting nucleus is

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The type of detector that uses a magnetic field to curve ccjt:83gg /csaiyoep:.t,l 4charged particles is a

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The type of detector that uses liqu-wp 3 pbyjp9al s2ejb)lk8q s0 jn1.c*id hydrogen is a

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Cloud chambers have beef (8ai,x -hnyun replaced by bubble chambers because

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic mass number of 14 at3b )-i x-hueu 1 ,ql+bub+2b. twpalmnd atomic number 6 has how many protonsbu+3ut1b )be+w-2b.l a,xtquml- h pi?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic mass number of 14 and ,:lfl3n5y ruh tgm1v8atomic number 6 has how many neutronl u f53ym8l,rv1th g:ns?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic number and mass number for calcium 39 are 20 ,bekhkab8, 3ldx gd.7and 39, respectively. How many nucleons are in one atol3k7h, akbx,d 8ed.bgm?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic number and mass number for calcium 39 are 20 and 39, respectively. Hfqli+b :fomjft2 574v/ 1ex-.qjvavyow many electrons a5ef+42vb1jam ovf-q/ly tjv f 7:xiq.re in one atom?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic number and mass number for calcqt dz.hll9r*9xn j. 1qium 39 are 20 and 39, respectively. How many protons are in oneqxtqjhz r1 9*l. .9ldn atom?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic number and mass number for -th/ r7qvfsmw2zz1 t/calcium 39 are 20 and 39, respectively. How many neutron7vsq1rh//zzf m tt2-ws are in one atom?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a 93 Nb nucleus, the number of protons, neutrons, yuk 1gl k8k(t:and electrons is 41

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many protons are there in the carbon-14v9)l gtoiih3 c18zba. nucleus?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If an element of atomic number 15 has an isotope oaho9x5ryuvcy+(y8y-kf o4cvr5n fii 2 2p (9vf mass number 32,

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Calculate the binding enervgk/5,,ggh1kk-t mlxnf8v bfpldw8 48pej03 gy of $^4He$.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How much energy is required xh+ ):chkel4.u ijpk ,ya5 f5 nyksc/szx;f+)to remove one proton from $^9Be$?

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic number 88 goes through alpha 5c- )b))6 vy,czso lxu: jdz si0c(8h+ijwhvsdecay. Its atomic number is noj hiu,)c v(0)w-)zbv65ijdo zc:y s8sxs+hlc w

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An atom has 98 proton yegn)t;xw 56.t;flpos and 249 nucleons. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daughter nu5e; ftlngy;6w.)potxcleus?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta decm hjv9e4g; o *0h1j 2xxxf jsx:c,dp7iay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 hasxj1oxix*j hcsg:,x ep 72vj d90 fm4;h a mass of 14.003074 u?

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic number 6 b5vrwnr(8wtai 6-;*71zgn 7g v xr mljundergoes $b-$ decay. Its atomic number is now

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the half-life of a material is 45 q8wdl5yga ;a z1,e3 xtyears, how much will be left after 100 yeargt;d e aql8, y35axwz1s?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If $4.0 \times 10^{18} \; atoms$ decay with a half-life of 2.3 years, how many are remaining after 3.7 years?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the probability that ano *4 6/ zefpdh92cbpd juyol.xzf kc*,/y0,ek atom will decay this year if its half-life is 24.0 6,b 4fe*l*zkfde ,oykpyh2cj u o/xp9cz/ d7 years?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A Thallium source was certified a d +0pyrv6qgw4w:9e+m ,vghvwt $10 \; \mu Ci$ ten years ago. What is its activity now if the half-life is 3.7 years?

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A radioactive sample has a half-life of 10 min.v 2-juj0f)s+e dqp2gh What fraction of the sample is left 2)g- q2hpdj+jvfes 0uafter 40 min?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The half-life of radioactive xzo4wbg;l c.6 iodine-137 is 8.0 days. How many iodine nuclei are necessary to produce 4b6 wcol.gzx; an activity of $1.0 \; \mu Ci$?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A radioactive substance with a half-life of 3.0 days has an initial jr0gke/d.hsf. )64 igpt 8 spcactivity of 4)kpej0dih.s8.st/r pf6gc g$0.24 \; Ci$. What is its activity after 6.0 days?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The radioactivity due to carbon-14 mea5vrbl.eu u6n3a3 xn+ fv6*,e hnn3euasured in a piece of a wooden casket from an ancient burial site was found to produce 20 counts per minute from a given sample, whereas the same amount of carbon from a piece of living wood produced 160 counts 6ea vnx,fn6l3rh.v3+n5uube* eu na 3per minute. The half-life of carbon-14, a beta emitter, is 5730 years. Thus we would estimate the age of the artifact to be about

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How long would it take r*ll6; bju*y)jb f2hh8ho df6 $4.0 \times 10^{20} \; atoms$ to decay to $1.0 \times 10^{19} \; atoms$ if their half-life was 14.7 years?

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How long will it take aj or jwzq932.gjxs (:i b:f3so $4.5 \; Ci$ sample of material to reach an activity level of $0.14 \; Ci$ if the half-life is 435 years?

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总分:71分 及格:42.6分 时间:不限时
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