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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 h-hk opy ue2;vz;9orr1k3sp (pu-vw 1ay : k1mhas 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 (2hmn51n vp qg;n90rd* n 4vsv0auwgmis

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consists o.u)fraanh4a.z/inp 1f

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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 nun,zq,vff* + yyvh l4r 1ento-6mber 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 bya(unqkvyp 6 2( 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 A, and its neutron g5uy4l p7 :7yywn1cll number by N, which of the following is correct?:pg5l y17ylc n4ylu7w

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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 unr)u ;rxod; suinzy33a453z zz8fyit a 84olu /stable nucleus, the atomic mass number of the nu;/4yl3oyo8a84i3 )t zrf5s r n zuzzi;x a3uducleus

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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 an at *n cnu8* 7uf+wpeiv)pom 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 nucle1mvlv 9-xpzf01fg6kn us 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 differentgs q .tzb a27m6-3;vmy g )i2fdqn2nge numbers of neutrons are referred ns g2 q)vq 6t7.in-2 ag;zygem3dbmf2to 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 hav(q/tzgr;h1 kzzj+e y(e nuclei 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 defined fny sy6t2t3w )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 neutrons, th7l7fvel( s:j ue total mass of a stableevl7s f(ul7j: nucleus 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 formu/v mq-rm+8(8m z drlg 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 nuc ytj2vmhgb0k ,u /7i1qleus 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 nucleon pkcou+/ jm xsb*tmonv. )13l,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 nu oox52f9(tq.y wbxn h) /1bhkp;gtyq: cleon

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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 cw-l.z b3v 7of+isjka+s )-zhthe 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 fon:xf+q62 y(w -vngc1jnvlze;;5g yh rrce between adjacent protons in a nucleuh1;wn-+:lv5cq2nge(jny gy f;z x 6vrs 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 penetra6pjmdco t68/.aa n,f j7orm q3te

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrate3icnouv* wic1uvz9+fog v 7* 0

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrt9;qbhgt2eb .32 oh l ojdqp94ate

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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 known as k20fdrm9q;(m5zlujs

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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 a4duyb+g(q bt -56nt(6gxg1g0x czq mas

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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 attracted oyw hk : +vjakcww0x yih,5v;+d1 ;wf5to 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 equa+j3f ) (w(um;szl p odv5*igdml 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 an unstable nucleus, t 1jhb:sq0avk6d 2t t-n;y,gz 2fs1gvu he atomic mass number of thek0jay6 1 -uvt: ,;vdsh22 1tfbszn qgg 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 unstable nucleus, the atomiaprai d- + hbg320wvz b(z/2muc number of the nh2zv2br+audw a( mi z0-pb/g3ucleus

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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.:2r cudtty8 :)) zxjuv5 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 gammao*nrfn6 d 2ajbfr vscsqv- ;e:022) jk 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 unstable nucleusu wit i8w13yo-ays;n),

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which particle has the0ttt3+n. 6f g- c79g rtwmucjj most 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 conserv: 5cih(m j7yexge s6gx(h.2,;5fmbr mjj:xq ued in addition to electric charge, energy, an5 mxc exiy6(mb :hqjh;f5mjgx,r ( ugj7se: 2.d 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 radioa (b3ouvnp /hs2ctive 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 n -ff.dnj 25 1htc+dwpnucleus emits a single beta particle when it decays. 1djpdf2+ 5nw hftn-c. 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 charged particles inzn qymm00r 2 /f6y5y0em+hmus 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 liquid hydrogen is 0 z+5b/fkz hxcxsv .-ha

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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 b 6 -x5tae-w1lsxvqmq4x 9a v.eubble 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 and atomic number 6 hask;,taojd- iv 5 how many protons?a-t, d;5j viok

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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 nu:(ug4 rhwfc;9oxzmi : :mew/ zmber of 14 and atomic number 6 has how many neutronsx9m:w m ei:roghz:c;f ( /zw4u?

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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 202us)39l4orwnt - (.trtswcjbjsz* 0p and 39, respectively. Hos -2zr 0jl*)3ss( ttww.b t9 o4urjpcnw many 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 39, respecti3wd/*m ujnc1jjpp27ml9 bu(y vely. How many electrons mpj(7/w l9u*j bnm3dyp1cju2are 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, respectivelyq3b3 ek7df+v*1yh uzikd 8cd9. How many protons are i+b *3hy7zeiq8f u1 vkkd3d 9cdn 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 for calcium 39 are 20 and 39, respectively. Hb zu.nuh1 .wk2ow many neutrons are i kuhz1.uw2bn .n 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, and electrgql7fw 6m 4h +rkz8,dhons 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 thegb13l*k2 gt ttsavb) 2zpn;u6re 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 isotope of mass number /ngh3e:d07ib h;q tgu32,

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Calculate the binding ener9rij2)ki8w(:bukox 5qzd c )rgy 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 requiqk ll4 b,nunqw9 660hured 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 decay. Its z*ezy5 po7dors8v iv/d; d lmi,p704datomic number is n0ydi p;od8lz eosv, d*/d zv7mp 75i4row

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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. w ojw86z(r5ucIf it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daughter nu ww 5ocj68(uzrcleus?

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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 decaysdz gu 0 5;s +v6q)oa15 vctaethwq60km to a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u ancd0 6 vutwz o1k0+6)h5v5e qgasta;qmd 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 undergoes .teaxis4 n a5;j3oljy.y7, qd$b-$ 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 left after 100 yearylkb*0x(ex * 0fy ;xzqs?*(yyqkxlx00 bex* f; z

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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 it8:uiv; yk+x/ aeah-ro0x kg6 puu-r;ks half-life is 24y6+ukk0or - ; vxe8pi/xh: ukargau-;7 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 ceuso sa8 6,lxl+q4 +g9 (ynbmfertified 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-licy1f72y2,w2 t +7sap itouj jffe of 10 min. What fraction of the sample is left afteapy7i2,1ouy t s 7wjt2cj+2ffr 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 jh6acm302a ez8ecs89 cvy18e0o/ nie qi.txj. How many iodine nuclei are necessary to produce an activity of vts9a x0hn/8cye .zjc8em2j0ei631acei8qo $1.0 \; \mu Ci$?

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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 s1muif;4z8i c s3bwm 2an initial activity of miuswm8fi2 z;cs4b31$0.24 \; Ci$. 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 casketakd 3b3 )72ac; odkdjr 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 2dk3dja3 akbr;o dc 7)piece of living wood produced 160 counts per 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 tak4 5kgd/etocahoj5 +vc /gi b82e $4.0 \times 10^{20} \; atoms$ 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 k: 4 o)0dfstr2(nspba t1q,u fa $4.5 \; Ci$ 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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