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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 partisl+8q ohcaa6 +2s,ppwide;todj(, n /cles has the least 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 ilwh:x js d+x+.,k x;wd1rdu7ns

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus chizz 2y-5loin45 daw* onsists 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 the nu1om +h* yn.vazh3h /dpmber 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 om)a0jo//p f u 8rfcc3by the number 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 given by Z,(9eod5h u t7v id8pb0y its atomic mass by A, and its neutron (id hv9 dep8b50u7toy number by N, which of the following is correct?

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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 nucl+8btac a2d )e/i ul5loeus, the atomic mass number of the nucleu+tid c) lo8 2a/buae5ls

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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 ntj-w n1iw3ec56d 8z min an 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 s*a n)fzi( ,n 1z1txsdd/k8us :hw-vvftable nucleus 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 neutron 1ruz (xrm93hrs are referh3( 1r z9xumrrred 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 nuclei witn. kt bu.s0s-rh

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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 is h; 1awr2ki /cwmr 9oy yz):-;mvc7dam 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 n(co im* zs8x9an)2f gfyu uj83eutrons, the total mass of a stable nucleus is al8u nfc*i8x ogzu2)jm 3fa( s9yways

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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 form a stab.z 7q)hx(u*jzw v zpoo cbmaopgf 5e*g5n3 654le 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 nucleus k/dxwyzqd *zqe. 1 9e0is 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 per al7ex n)1. 1 foign6xtnucleon 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 nuczy6oara/n8 exj7)p 7oar 5 l*nleon

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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 concernina7zeo .s 6w,why m05axg the nuclear force is false?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the eleclnc6 xk4/xaps,vsj b/yk+ ,oh8j nn( )trostatic force, the nuclear force between adjacent protons in a ,cnykx6ssx vn n)/bhl,ja+ /jo 84(kp nucleus 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 penetqtfh qx5zga)ss./v2(rate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetratev*fq c)1utqp)3 r.jxf

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetraws;/) f yg40,oloqx txte

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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 also e*cfhzvxh9 do()w5o.oj45kl ldz9;fd9 r6rk 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 known azg6 s u)1,:fnj. 7ftmsoe1ks3 dlf3ows

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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 att ;vlb:,fqbrlbr,ig )o0-2+sppa*v jo racted 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 ats*z5jd ed)1h yomic 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 emitt8 8p)e1n7a2jocwldzc0ja vbg-ay*vz t9; q0 bed from an unstable nucleus, the atomic mass number of tjcv9 cg2-ab n0j81al 7w qy0a;tpv8obz*de z)he 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 ev g6zm4v-1ujou / ao(bmitted from an unstable nucleus, the atomic number of tvabo/4oz v6u1uj m( g-he nucleus

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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 -/ichee4bs eb) ta0zuh;7 9t;v Ma) x 931.5 represents

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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 gamma rag9 ojqzl yo/-o ssr,gi-9,5wo y?

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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 emitted from an un: ,tvjch*3mrua71rv rstable 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 mab65cayl 2o7ojja5 +icss?

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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, whatc5;i)o g/x azh value is conserved in addition to electric 5/icxz ahg;)o charge, energy, and momentum?

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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-life of a radioactive substance as it bo*0ldv-b.hu 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, carbondxt/ h+s6v:sp-14 is often used. This nucleus emits a single beta particle when it decays. When this happens, the resulting nucleu:pv6 s +dh/tsxs 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,eh;nl b2:leaibub +q -sqr.5 a magnetic field to curve charged 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 liq0l ud(wp 7ayadz r)l+3uid 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 been replaced by bubble chambersn: 8t/ss t mj2r,cslh) 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 ogh,4z-dng gp8v.(x(x *9 q p ptgf(vxaf 14 and atomic number 6 has how many protonsg8vh, px* vzg(x.gn x9gqpta-(4 fp d(?

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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 atomic n u asjaud476)number 6 has how many neutrona4u6nujs )ad7s?

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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 and 39, respectively. bd7hge3wra- antz5+u2;1l+(kgz y rq How manyk 7z ngyul-12qwatd rb(r3+;z +g hea5 nucleons are in one atom?

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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 39e.bb o(olh+qh8 dre23v rp;6 oya2h 9h, respectively. How many r(o2hqbyeea br2+ lo6h9 o;hdp 8v h.3electrons are 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 calcium 39 are 20 and 39, respectivelyb3nkzr0atb 0 .. How man bbzn.a k0t0r3y protons are in one 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 ma x7kxlva7tas-; +l5o 0 hm,swuss number for calcium 39 are 20 and 39, respectively. How m l-,x5oal0vw;a+ h x skus7m7tany neutrons 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 -hio/vxr6tjoc+4 -nu protons, neutrons, 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 there7j+q(-ca f )x8rwh ) 2pxxlcdh in the carbon-14 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 isotxdska ur/+xg1 . :gxt0k3u.dwope of 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 yv*- 3:zns p4 lrt6rtdenergy 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 req o:hw9flkt69i uired 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 t ce,u/xe3kn 5ohrough alpha decay. Its atomic number is nx3o5kue /cen,ow

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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 protons and 249 nucleons. If it undergoes alpha decle4joq c/:+q sav2w 1way, what are the number of protons and neutrons, respe2j :s1ovcl aw/eq q4w+ctively, in the daughter nucleus?

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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 decay. How much enemt wao-ts r pa8)n5kbgc/k10, rgy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074 uct8-5b ,noaw rp a0m1gk/kts) ?

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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 un(w1 0qimn c*f8x9,tbku 6lmfddergoes $b-$ 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 years, how,re q e(zmqc8g;m/ tm8 much will be left after 100 year/8ceq;m (8,m qtmz rges?

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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 an atom will decay thy7so)y zpm5xa18fu(; x5hs lwis year if its half-life is 247 years?xl)zhwxs8so5py1a5u yf;7 ( m

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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 certiu3ku/mzr 9(: vo m:dydfied at $10 \; \mu Ci$ 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. What fraction of the sample is -kuwz2 : y4zrmo 7-+bjrgk.he left afto7kyrh.:w 4kemjgz+u- r -2bzer 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 iodine-137 is 8.0 days. Ho,/xl kd+ mnd5mw many iodine nuclei are necessary5 ,+lmmn/ kddx to produce 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 h90 i ni4legxynn7d 76pas an initial activity of nd7x6p7y nie9gn4i l0$0.24 \; Ci$. 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 measured in a piece of a wooden casket7 .csr bf4 xraut3i;4a 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 per minute. The half-life of carbon-14 af bxa3.7rcus;t r44i, 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 ta-y(n;s2ajkck a z5mf3- uza u(ke $4.0 \times 10^{20} \; atoms$ 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 aqd:hu j2nj1 rtved9wdk8).m+ $4.5 \; Ci$ 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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当前第 题,此次习题练习共有 71 道题

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