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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 masb 18pq4tgt 4pms?

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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 il 9/39b qjoux-tvmh,ns

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus cot-a7-4aji r2)c vhl aynsists 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 determined by th r37qcy65i.pm w 1dlrye 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 detel)t8g 1t)lusl rmined 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:+w (lifcsuuwkfdl62 e56 d q;v(cm 5f, its atomic mass by A, and its neutron number by N, whiue5f66qli(s c;( mw: udfclv 2w+f5dkch 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 unstable3pn jp ca;s*;s s/o,wn nucleus, the atomic mass number of thwsc *sn/papjn 3;s ,o;e 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 in an )b7et;ocfcb zp8cn. 0 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 because lf.,fkr*ir7djt) pn. d4,blpof

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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 nun*nuk(q pn1 x)mber but with different numbers of neutrons are referreqn*nu x)kpn 1(d 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 nuc-f 8 2ww6qxsbhp;uekf2a au,:lei 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 def u b6i;ahdxonu */9jt*ined 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 separat u+kcs7q3 lf iytrsx5adn +9 8c(78nype protons and neutrons, the total mass of a stable+yfrp9ldsc7 3ny 85k xi8s 7taq (nuc+ 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, energ 43pl9y*.;rjtslecdi)g,) 9y+dm m;hhmfb yly 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 nud2h zeneo3p) qc ,-z.mcleus 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 ped/ .p+7ixtp ger 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 nucleonw 1xdrrh2q:;f4u7kle5d:wz f

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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 st5 d jqi:)* zj6tm7eww;7 hflqnatements 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 electrostati / rxm:w 0z0g)7ltyhrsc force, the nuclear force between adjacent protons in a lxh 0yzmt:sg)r/7r0w 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 penetrr902k cd7w kpuate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrub)5 p8(c - rmulqbe.mate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrat o-30erw(fwdce

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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 knoww4 (i2ioi1+r szn2v jirh 1ee)n 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 knowx p8r-;zgr0k+gmq kx -n 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 attracted gu u4 htrx,+::ee l8nf5:xrvjto 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 ma )m sbnc)r3judn/;,xuss 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 ty;xr 9la3 (;ak.fiq ratomic mass number of thiqlt; (kra a9ry ;x3.fe 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 f8i-**ak xbxgyjt s y1n8kk;h2rom an unstable nucleus, the atomic number of 2niy1xt k8yjk x *;8khsg-*ab 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 :g eu2m *x+gju-u 0vkh- Ma) x 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 nearly the samel*g,l7g-xgxn . gva,e :qe+ef 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 uns-dxb yilh. 3 -jg;ibp(table 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 masr(xm8;n rg2l51hxzj ss?

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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, whamz ,hbya,(:t vt value is conserved in addition to electric c(yhm:v a, tbz,harge, 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 half-life of a radi4,0tw zehlmu:82z kl coactive 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 emiteyzaql1ri 7)jfdl6 o 0*t,id1s a single beta particle when it decays. When this happens, the resultztl6i,d*1i7y1o q0lad )f j ering 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 usesrt59bz5ustgf4jl+6 c 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 liquid :i)k5pjqvq:*jr 5fz jhydrogen 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 beenmvli8tjgct 7t+7e( +:r icqz( replaced by 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 14 and atomic number 6 has ho;iw- kdado3m ;f(h2w bw many proton 3f 2;hdimdo;(kaw b-ws?

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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 how many neudm,jq 4pu7xvus5z ,o 8tronsudzx4vm, 8sjq ,u5 o7p?

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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,, *rnnflkoty : 1* aw0(baha/u 1xvtw.r h1ai are 20 and 39, respectively. How many nucleons are i1*,,(.f/ a*x uha tyr awnho nvwtrbla:0k11in 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, respectively. 2e hzskqu:h4 0c-v l4v How many electrons are hs4-q4k zev2 c0vl :uhin 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, rtgp6q )rs.ex2qwe7qr;5 6 rz xespectively. How many protons are in ).2 qeprq6xrswtxeq6 g;r z5 7one 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 ntgvek nx8g0qabt.w4(v, 5j y(umber for calcium 39 are 20 and 39, respectively. How manya8v5gt( b(.k wty nq,04gxjve 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 orwh6fhlp/s/ 0f 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 theread:xkl,56ugw j h( e* m5vvef1 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 32,4if3;,l 39ugtwttc bp

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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 ofnw,wf nl2a f2: $^4He$.

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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 rn61w m0zpn+ yiequired 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. )dcr* 4vmy+wtpn8v;v -b ys;w;zr: s pIts atomic number isr;zr+-w4 d cy):vv ;8nwp;sspvm*t y b now

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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 oknfc)m b(0:n. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in thb)fck:n(n0 om e 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 p( .wm(dw2 zwfa nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 hw(2.f dw pzw(mas 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 undergo2p:rppdqq+ kns76ltgvpq d, +/,i; j les $b-$ 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 muc*lh x fbst:.m0sr)8gew m :h.vh will be left after 100 years:s 0 w gxr.mh:) b8e.mft*vlsh?

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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 probabilit r85zwmkl).rt k7tcw: y that an atom will decay this year if its half-life is 247 ktwr8z)7 m tklcw5:r. 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 ,63qynj ah2:xgse eut+h ),g wcertified 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 hasv ,wjy, h ,f 7tt+8yxgrpurq(+ a half-life of 10 min. What fraction of the sample is left after 407,+jgpt,, q r(wyuhvtxf+r8y 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 iodine nuclk y qek9,,u8y,ws j;xrei are necessary to produce an acu;esq y9j,,k ky8w ,rxtivity 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 8ocq o vknmh;0o)b)2yhalf-life of 3.0 days has an initial activity of noo m2yo 0);h)ckvb q8$0.24 \; Ci$. 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-j (2 brc9.oetr:jz.fb14 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 halfcj: zr(oj eb.92tfrb .-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 taye shz;; r+kh;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 a hje( fa3f3na mwj8qs* i;gdz+t)y8 o9 $4.5 \; Ci$ 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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