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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 least mos ykz3 u:kz3y8qoe:; ass?

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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 isa )jfnb6ku z()

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consistskdzi9p,; 7, x8ijapc f+vlhd : 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 isrvab(f/g q3oyvd, m80 determined 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 determined br5s*+x , e,fc bbx ,ofy+b/jcyy 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 rjikd6 p1 :;yus 3sns+bjs.g:its neutron number by N, which of the follosuj .p+syd3s;i j6kr b:ns: g1wing 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 nucleus, the atomic mass nud/2)ta8f iihpc 4wtl/mber of thfc/l i w)/2h8tdia4t pe 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 4.t f22ihcya+r-3. yl8ehyd,rjyp pcin 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 thj )lq07bl mdv+e size of a stable 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 numbla-5kirh 1e) a 5p+i8s yvczn9er but with different numbers of neutrons are referred 8-ehpai1 +)lys 5kizvn5r9a cto 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 nuclep7cs ft)fdg.7 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 ko+mu 0m8u+yc 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 i)gfio- r,vvaw*bz)v+ u(g:ry ts separate protons and neutrons, the total mass of a sfrgv wo zuiv(+, ar*yg )v-:b)table 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, 19kxh :,sykmlenergy 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 is contribut lh spc ;ahq)fjb).;,xxo1 e0ued 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 is(3rsu hp2i5j1mdee-k 3lngn7

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy petzt-3 h qsf/ qzr+77uahbh6/sydd+; rr 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 statements con b -d4krqw8 *5gksvfe+cerning 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 electrostatpd63/e cnpvyc s: ,ke)rvt 6d.ic force, the nuclear force between adjacent protons inkep. /d, 3scy6v:nrdv)te c6p a 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 penetrx+sa. 4.tanqlx;ok( t ate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrate/-nl5lz5x asan9y8aayd t xz 3w-x9/g

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penet06n g ,zf a2tboy( zbd.dg*e9nrate

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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 k,zfdo6 ipk c/9nown 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 k5qoonl :n6a 8snown 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 at/gs g+z+ q e+w brhck2.m-br,etracted 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 a x /ivyk/i3sz rhr)rn2 r/pb+8pt8c)an atomic 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 unstable nucleus, the atomic mass d0uy2wne5c1mpe ij-+b z53b t number ob 35bmte+d5y1nwpz -0 eicu2j f 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 unstable n3ygxb+di f)7n*io9 n fucleus, the atomic number of the nui7y+d fn f9x) bngi*o3cleus

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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) n7o.gvewv08 4 +(ua yl2odoppd gl7c 9x 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 nea(*2 sewq g1vtzrly 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 55 u5 ikkfv)u(oha2on 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 masun g.8glgfq2br ;..zw s?

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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 conserved in addititnzp( xw*w3- n8a2tzpon to electric charge, en-32(xwz twaznpt 8pn*ergy, 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 ha9unmex b4:,)bfs ei *flf-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-14)wg9 vr;j(p xz -egc1vei -dx0 is often used. This nucleus emits a single beta particle when it decays. When th)wxe-0ev;i-zpvgx (9jr 1dc gis 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 part mdpb9.,cr-4 k l2pl417bzm+cmds pmzicles 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 liquid hyd3(b 5pvtmfsbvx0-f 7)7ewi tgrogen 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 bu*v; z/af+;twchmu fzg: vha 68bble 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 v+gf0a+mm ox fbi-)4snumber of 14 and atomic number 6 has how many proton)o a fimv0m+fsg+b-4xs?

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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 number 6)0-p; d(owdvwwtyvbud.l9w* zwxt46 has how many neutronsty)ld;d v06(wb .49dtxuwv -owp* zww ?

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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 ):3uls,s nru xz*yug:v/6rnbn4 /vfz for calcium 39 are 20 and 39, respectively. How many nucleons are in one atom? *v6l /r/4 fug:byvs ,nrn3:uszxnu )z

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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 anqjlt h6ipz8* )tm;9 apd 39, respectively. Holi )m*p;tpajqth9z 86 w many electrons 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 calci4ce(l+w,qtdn qjeqhm50j; (f um 39 are 20 and 39, respectively. How mn ;+f,lm (5ctq hjw(deq4ej0 qany 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 mass number for calcium 39 arlk e7.(nim,yjw/3pcm 0qj e8 fe 20 and 39, respectively. How many neu7q y8e (l/jw c.pejif0n3 kmm,trons 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 numberj2ulf3re *f o( of 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 there in the carbon-1z,: lkh xr nm)p2ra(mx2k .df+4 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 habn5, ohr9)q a*z ;is15 has an isotope 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 bindingzg.j.is +5sc6mwn 1ht:j)vh i energy 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 to remo;4* tug l/wgytve 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 num hs k; nxx+ie::c1fgy*0 axfl2ber is nygx0 ;e1 k:nl:+xfsi af2*hcxow

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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 decay, w kbcxpfyzmc*+ d*(82h hat are the number of protons and neutrons, respectively, in the daughter c(mbd+2 fyx *zhpc k8*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 decawp(kijy 7q f m9jj(73oys 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 and nitroy7k( j3mpfq9 ijo7(jwgen-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 numbehs5vt),s ;ltzr 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 material is 45 years, hoyvi if0x2zm0ap g/4b;hr3 wc. w much will be left after 100 yearsc0/z4yhw;fg30rbmvx ia .pi2 ?

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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 willo q-b ya*hh;hs)tm2x e:u19yg decay this year if its half-life is 247 yearbh1 th-ae;)gm* yx9 yhqso2:u s?

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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 certifl /k3sx;.e :nleu7vwfied 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 i)rg jcrgvh,5/ s lcj/,rh gg5v )reft 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 iod qe)+fmy6e/-0in5polu /it crine nuclei are necessary to produce an+mpu yi irn 5q)ft/6co/-le 0e 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 3.0bzjlo 45 wiv4gmn c4*0 days has an initial activity of comz 0j4l win 45vg*b4$0.24 \; Ci$. 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 carh9y5:yjk7*:ooab tisbon-14 measured in a piece of a wooden casket from an ancient burial site was found to produce 20 county :5hy o i7tbkojs*:9as 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 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 tawsy 5-q59if) s/svfje 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 iyr4t r*-)p f7uk(mcr6w /6 dqy.tkqm 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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