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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 particlesxq 599/en4: yft0ob2oflen fw 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 iz)m1r 5jw q9 kib3scs,h/+djkehj91gs

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus cw,5ia.bwc,0l 9d61 q2oaa uvmbp / ijdonsists 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 ) qferlrzn u+64.o 8rkdetermined 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 determincaj1-dqku /mh kp* p43ed 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 -mahufs -o/9ngiven by Z, its atomic mass by A, and its neutron number by N, which of the followf9na--su hom/ing 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 nc3ky5+ o al0crucleus, the atomic mass number of the nkr+cyc05o3a lucleus

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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 +7j6g- bijklm2fgtbxy ( r9h0kop7f: n 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 kl7,xweh,j1 k qdhz); 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 numbi17wqpxa3fdw6kr5 vju htm6/f ek5(2ers of neutrons are referr xi 76jp/3t dwufvkf1mh(wr26akq 5 e5ed 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 nucl ,od//a3/+wzmdnp :i nodo ar(dor86vei 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 djodv-il / 3mg+efined 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, the totalvne usu/1ztt-5xe7 j2 mass of a stablete2u tuzjen/ 57-1xvs 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 form a stable nucleus, t( zn:fch 4m3+8dht fniwbm+, 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 nuclr s).5c ac7n(/qgh vgheus 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 pe-1vep ;q sko4 5vixmk2r 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 prfew 6(j16idper nucleon

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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 768fpor-8yw q1fcfesbsmxgd m.n:-7 statements concerning 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 q,g 3iah8,:)9gspsghq uun 4b between adjacent protons in a nu png gq au9hghiq4b:) s8,,3sucleus 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 penetrave42 2ln.ocf.5upp*67bdcp ngyx8jp te

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrazbe(3-w3 z,t.j cnpdc te

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrp eawq bb3xcyirv 12eb77 id:) xu;8;iate

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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 alsd1 j okm9p/d1*ojcu2gg rz25 jslnz8 6o 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 *an lp /te ,qa,e)fuy;known 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 attractexza hg) 6r8/dixj,qz)d 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 yski7,v k5*mc+;xkdfx1. r bh 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 an unstag)d -cp;ymo )able nucleus, the atomic mass number of the nucleusgo y-;)pc da)m

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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 un)fiia40 ns-f fe.y 8lrva h9+wstable nucleus, the atomic number of the wh9-8iyfi alersf0an+f4) . vnucleus

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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 r w qh);ibb ro15*tfnwe;z1 yp:epresents

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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 (u zo0 r1 0-lkhumvs:da 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 anhpbfol2w x( cdiow1 ,l-5dm/7 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 th ple;;nwjp gcw2 jj56o, vasu05e/ng)e 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 l18 rgcg8k( ed uwh2*;evd.i tdecay, what value is conserved in addition to electrtg e ih.1vrdd8e(*klu c 28;gwic 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 ha8vajp vj1om84lf-life 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-1b1sd1* en 7;wgmryu).2rt pqc4 is often used. This nucleus emits a single beta particle when it decays. *mbt. cs reqgny;1 w7upd12r)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 /8xxkio9 4 vkscharged 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 usi8g/k2hb 6 7igp3jmrqes liquid 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 chambikt f h,t5x:wkm(77lrers 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 numbe 9f,ltq m-0;1ddqotq ar 6 has how many protons?t,1tl q ;o0a9qmqdf-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 1e+il igm;( *zz4 and atomic number 6 has how many neutrons? lgiie*zmz( ;+

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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 mxd66;twm yut 7ass number for calcium 39 are 20 and 39, respectively. How many nucleons are in ow du;6t6ytx7m ne 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 calciu z 3a;kxr8jn-0pxtfrxl 0rv haon3;)+ m 39 are 20 and 39, respectively. How many electrons are i lrxo;r)a8hxnatz+x 03 p jvk;rn0 3-fn 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 mpc : .;avyj6saass number for calcium 39 are 20 and 39, respectively. How many protons are in one atoj sv6y :pa;a.cm?

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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 andny; e.;i4ei2bb0x k ywu)m/ xn 39, respectively. How many neutro. i/ b4y 0iwben;nxk)2 yexu;mns 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,v,a0jtg/devsu48)k. o4 lgfv 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-14 nucleusnco8 n8jx.lx *?

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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 of9u fry3 aew1(kg0 s;vf 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 energ 8al e:ew+o/nmy 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 reydj.jkbz; e4f1d.me2 g9a x6equired 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 atomic number r2z pxf2.fq 8lis nz.p xq2 lff8r2ow

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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 nucleock/tx2 m4ns 2w 6hty.ans. If it undergoes alpha decay, what are the number of protons6tk 42has.cx2myw/t n 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 decays to a nitrogen-14 nucleus bnf p ,gbxc2 ,u/gu s1r1.hxs,xy beta decay. How much energy (in MeV) is released if carbon-14 has a mass ,2gr/1fx,pxb x g1u ssuh.c,nof 14.003242 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 numbes t1nmxm mbafx.+.o3v 1y7p.or 6 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 matermwyo8e h8dp8y7p- xy8ial is 45 years, how much will be left after 100 yearspxo 8y8m8 e7-yw8hypd?

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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 h5 lfao23 6vkz61tf36zie,tqw n 9ezkralf-life is 247 years?w2zrt f 3fzkolt596vek661 3q ,anezi

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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 cery 7eeyb0n3*h yc5 bhv+tified 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 isfsl5i4b lwc/ o. : njfz*6udn* lefnwfz o4l:f d*.s/6nb*lij uc5t 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 radioacta desr :85jt j2fpq ,u3ilc2v w,t8gw.ive iodine-137 is 8.0 days. How many iodine nuclei are nec d .,gj r:a5ctw p8fjs,v2q3l8uwt2i eessary 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 has an initia*2i uo*i 0tvo/vzj :zrl activity of zz0*v/ rt*ivuo ji2o :$0.24 \; Ci$. 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-103fzbp.n3x n4 sb7bre4 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 minute. The half-life of carbon-14, a beta bxb3 3nf n4zpe0r.bs7emitter, 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 take1:xai 0:bk:bi3gfp:sq sq4c m $4.0 \times 10^{20} \; atoms$ 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 a ps-v +4jye6 2ocv*watr ,bv 1o$4.5 \; Ci$ sample of material to reach an activity level of $0.14 \; Ci$ if the half-life is 435 years?

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