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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 havc *v. sqsit6pof71wuch-g ::ms9 oc7s 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 ig7r z(xc9e8 ,s rsx2(arvl;r 8sqmum3s

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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 of0snc y g4kgja: c:77sy

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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 detpv:is m9 3f hdnh.f+s)a4e-u mermined 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 by t4qlgk;p+.spy bp 7 7m(4su teghe 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 neutfl4 a9b s 0,w)qvui oiq,)a5gjron number 5qasg),i)90qa ,fvow b l4jiuby 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 nucleus, the atomicbo;a85 sugha c-0zyn8 mass number of the nucleusb 0 hg58 8ysaoa;nuzc-

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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 h*elmh94x jyej6e6zl :;ytm9n 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 nucleus because5sgj ,f g iy*( n-ougtx-lm5i1 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 diffefmpr5ix mol2y;ht g:*8 sy 4:irent numbers of neutrons are referred m5t*lp ;yy 8s: f:ri2oxi4gm hto 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:y v jqwjef, 3,tl7/4kplxa 8lei 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 08wo : w;vclw z6sqj5ois 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 separ7;k, ph41dw-1wzmyt2 anusw cate protons and neutrons, the total mass of adnphtz,2aks wwc7;m 4 y1-1wu stable 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 for ,,xcq3bh1xuwcne6n ,(*g isym 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 nucleus iza ( a4.hibbgguv3,w58p n i;js 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 2g*;a iz w2z,qhc-loknucleon 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. *kh8a(g;0.oorzr hl, l wd:h(7xtkguy9oj ycleon

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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 9-oa5t6e jiuna 6qtn5: u4jzlstatements 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 electron 7m,s0byukpqqv3* i. static force, the nuclear force between adjacent protons in a nucv pm,3nku7s.*iq0y bq leus 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 penetbb:,p/9lob lf 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 penetr2nz jhyc92n8e ate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penet +j hf/5 bvcelh/m5or(rate

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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 knownll+-ns,z xcjdl; x6; e 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 l )y9du4k2s 1*pcm twyas

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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 be2rr+ u7o( *xrwalg(ke attracted 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 a 3k2ho+(u ) (vgmxyo;p tb:lsktomic 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, thn gmi5s j+3gl rv6-l:ke atomic mass number of lln 3-6jgki:+v mr5gsthe 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 atomic number msv9rwas6lh 3n 2/ db6of t39s6nhl6d bamsv/2r whe 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 c gpq5o: *zugsv-67k7j1m afk 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 i6gufm92z6e df)3 f;drr6 au hnearly 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 ;u5av9 dpl -1 hek;qgyemitted from an 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 mass?6,u d nm2lzz5z

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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 decauuz8d3 rgc ;r;y, what value is conserved in addition to electric charge, energy, and momentumcug;8r;r3z du ?

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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- pyceyz9;c9ls6zd 8 w;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 is often used. This nucleus emits a si 0:u6 tp*pk6j 6rljgsyngle beta particle when it decays. When this happens, the resulting nucle gt6p s0kpj r*lu6:jy6us 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 magneti:fug72t mm b-- 5gyuupc 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 liq;g)iva,q zaqq+6lr a/uid 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 chambers becausenzcv..f5lj- - vmj,q l

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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 a i5pyvn:z5o-ki *i53hiaf:i and atomic number 6 has how many protonsh5an y5iiivfka5 i o:*:p-iz3?

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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 has ho0k-j 1tqssy p 8yjv8l:w many neutro qlp0j1vs:8tjy8 ksy-ns?

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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 3yfg ,:-08mvxs c*r t4tu ; f-ndfiyh,u9, respectively. How many nucleons are in dr-gu:,c fhttu8*v,fyx mnif0;s4 y- 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 r75b7ilvo sj 6sv.a+rdyuq4) 39, respectively. How mr7 v+qj7 56uy vsrsbo).ldi 4aany 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 an0-(wy.8kroak iw9j3 n5e ezf td mass number for calcium 39 are 20 and 39, respectively. How many protons are in one(ken 9ofkzyea0.j85 3 -iw rtw 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 fn4 d6zdm)i3r q hxg3j+or calcium 39 are 20 and 39, respectively. How many neu qn+d)6 h33rzm4gidxjtrons 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, and electrons is 4u cw qte.j2 /de:krt5/mrn9o;1

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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 nucleusm xl509-bto3yw* uwpxfn n,8z?

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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 ma.mbnxakwr2.dj(meo f-g h1 +8ss 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 energy r+* whq/x/ x)j yznk*bof $^4He$.

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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 tsy ft(2,hgt zm o;7i8ao 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 at3r 3 83k *j xy)doecdwzr:r,is cpo)o3omic number is nok3e) rz3:3wd s 3jxpd)8*,coro ciyro w

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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 al qr uzu0 k.:(z(me2shypha decay, what are the number of protons and neutronsk.r0syzeuz( 2 :m(uhq, 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 nitropb4 pxpi.lp1 0gen-14 nucleus by beta decay. How much energy (in MeV) is re14ib pp0pl. xpleased if carbon-14 has a mass of 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 number 6f5ao.0v-k pcc 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 ma 99+dp *5okzpjc 5zig1gnrjn+ terial is 45 years, how much will be left after 100 yeargp p oncd+r9i5jjz1g5 n*+kz 9s?

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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 wilph5;kc iz l s*5cs.)eal decay this year if its half-life is 247 year5akpc*.s)hzls ic5; es?

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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 cerfq khz)u9hh7- 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 102k hxo +m72dyn*hz t;n min. What fraction of the sample is left aftey 27dz *k;o2m+nnxhthr 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 radioactivid2jsuq (:n33j , bswve iodine-137 is 8.0 days. How many iodine nuclei are necessary to produce ans2:isjj q3b( ,wdnv3u 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 hi l1i/.l seladjzx emd46 .)5kas an initial activity of .e1zi s l)/a5j dkixl64m.dl e$0.24 \; Ci$. 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 wo:h4d)dzehpyy)ko k -( oden 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 16h(:ded4 p)kyo-y)hk z0 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 takbs, *ek o4uok/h5 xzf1e $4.0 \times 10^{20} \; atoms$ 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 ht wkz4*s7jrozsg +6p7rz:2 c $4.5 \; Ci$ 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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