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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 hajmd:)fjzk;n p; 8d9u hs 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 ib6ktm5ywp0g*65jiv x/p+07eva, rxi+ h gbtus

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus coyz9w43lq6 2qp i en/rfm1wx359 csivjnsists 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 determinqih;i.5r-ld9bx n 9 gned by the 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 det ;hwf 2 dn+mxv cnu04t6ny6dp2ermined by 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, its atomic mass by Auf5pk:ic eoezw dk1.n2 ).a+a, and its neutron number by Nfkw:2a zupe.i od eac k+.1)n5, 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 e8 9tbpv9v(xgan unstable nucleus, the atomic mass number of the 98pv9vgex(bt 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(ka4kk 9qqv (h in 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 -g6x,/h qe m3sxtts7 jstable 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 numberrt)kg;,dv.f3 vb3): /mjf uskww-kces of neutrons are referred toef v vrm/kw:3 .ut;g)c)3 s-fk,j wkbd 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 nuclei7n vo) v* (0k0fdvwbzt 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 is defitaenb2 -n a 4u4sqis58ned 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 neutro(eo/ii6hjo/itp yd nnq)-o w63r he;/ns, the total mass of a stable nucleus is a/nq 3/(i iyo-6nieh r pjo6ot;)/we hdlways

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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 s ip(c j9q(y7gxtable 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 nuqftr ) 4qbqo;b:sa-f1cleus 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 per 1mvyfyx,l jqs-cm)8 js0e 60/o fukz(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 nucvq96uh89+k etzqss sky3b1d3 leon

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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 concernin2ksaxpzwr-ea+ ;(7 8x )n,;h uub*meensrx w4g 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 electrostatic force, the nuclear force be h e3(el0)hjzb/rlhh) tween adjacent protons in a nu/ r)) ebhh lh(e0jzl3hcleus 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 penetra f )jdy4om1v8xe;4owzte

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrarxsc8k*6x4 rl .:uxmzsg v )5qte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrigjxrwf5v.,l p l x+d077qwc 4ate

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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 alse)9y/ (o0eot (etyhsji3w / tvo 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 l dzi.kgi1qyd/ q r)x(fauzq7 i-2dt9 p+t7c6known 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 attrac(c*v q gqk)uj;ted 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 atomic mass equal to ys 4*cw.a3ujodt47tyur-o;i

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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 an unstable nucleusf7d-lk:+6c5hv. c-3l itgf-r rz qbhn , the atomic mass number of +gi7vlf.:h6rt lcq5 cbzfn 3 hrk- d--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 emitted from an ucfe)qi hk1hlgz8l++ 450lvih nstable nucleus, the atomic number of lk)vfhgz8+i0ql15ch h+el4 i the 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 - Ma) x 931.5 repreonrs6l+oc 5 2t/8hrxgas7v f)sents

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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 followi:y eocg 0ogu.;ng is most nearly the same as a gamma 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 emitted from an unstabe khl7/xqnupjx 60);i le 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 r2 5/xqkgcc;g mass?

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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 value is n46) lkave0 nrcll9 /0g,xv91jph y btconserved in addition to electric charge, energy, andkav0,jp e9 nv/ct4lnb 9 1)r ygxl6lh0 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 de uu-u) e 9upor)cstq7*suhz:4cays?

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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 emits a s/q1 1 dz:xk,at:uscjkingle beta particle when it decays. When this happens, the resulting nucax/k1 :zcd qku,s1t:j leus 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 thsy6ckjw .d n3u1e 4bi;at uses 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 liquizfsa(2 ,e9j0wlt( w95if xvrno (ar1id 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; csd:ipfyi xpovd220af :u,* 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 1nz a21jfhbr) 9bv;dj8m;,q mh4 and atomic number 6 has how many protons?qjd 28 1)rz b;ah9jmnhmb;vf,

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atommp m7)6i,g jbhic mass number of 14 and atomic number 6 has how many neutrons6 7 ig)mpbjhm,?

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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 t:27.exb, s -+wzkeij*prl ta39, respectively. How man:rzi.+ps ee- 2,lw* xabttj7ky 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 fo a-yf*9ibptv, u8c5u8z*lmw -bbxm h4r calcium 39 are 20 and 39, respectively. How many eyxhmc- ,- wzpu a8bi*tb8m4 f9vl* b5ulectrons 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 calc*k2b :*rboi3c73 qafy(jmqeg 4 e.xxnium 39 are 20 and 39, respectively. How many protons q k(*oy.2:ircexeq *gj am3nf7xb34bare 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 mass number 0ns/qcxg1dij7km*u * 9g e.mu for calcium 39 are 20 and 39, respectively. Hox9m. q*0i/sg7m j e*ncg kd1uuw many 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 protonsilm d8l6po75 )ayso o9fx l/a0, 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 there in the carb5ud0w8 omskdm2x7kuxm w)j- 2 -k5slhon-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 isotope of mass numberjvo3v g1(b(ip 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 ed 5tiqpozr2f*. . tig2nergy 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 rn23ertz.: ad 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 alp78qcvd nbg ss o52;ol-ha decay. Its atomic number is n 8s-5 v sn7odlgocqb;2ow

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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 protonsxblltlluc 7;9ks7 ( :p and 249 nucleons. If it undergoes alpha decay, what are the nu9kl:b(cp7x l; llu7stmber of protons and neutrons, respectively, 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 de78xdko+/ bsxv(;ohx dcays to a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.00324do(ok xbh; 7xxds8v+/2 u and nitrogen-14 has 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 en,ok(j(fj(r- 35cg2pp sgzm undergoes $b-$ 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 much will be leftrzi vq41n h)n/ after 100 years?iv) znqn/r1h 4

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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 this year if its haljv(o)h, 0vgwrc-hz8xf-life is 24h o )0h,vg cz8(rxjv-w7 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:3 imtuixzb4fue:yp0r. 9nq* 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,brd4b qrwj(lft 6v 7, of 10 min. What fraction of the sample is lef, f4rvbrt7l (w, jb6dqt after 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. How many iodi6jps.-1of -7vovf86g hguw zm ne nuclei are necessary to produce an activity of m-h6uo6opsffv zg. 1wjg8-7v $1.0 \; \mu Ci$?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A radioactive substance withosb2zu +th3 7uh*2s i+ g:9my1pujr, xe tjm3x a half-life of 3.0 days has an initial activity of 2,+tbx s72x hh3 3o*tue syi:1g+mrupjm9jz u$0.24 \; Ci$. 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/z7o8(mvcy7atkg/ z3*l ocbg carbon-14 measured 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 per zb mc/3kz* coyoa lg7 t/v8g7(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 takes rxv)v;jb/px4aa8 de05; wlk $4.0 \times 10^{20} \; atoms$ 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 dewxmys:s+j+m *h y7/a $4.5 \; Ci$ 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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