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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 thtf7) foh9g5 mou+gpuu7*d,wztvp(y j*)z:wo e 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 izlcil6qdsm/g (/:o;x:ekp+ j*d/ z 5zkz +er as

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus 2r jx6lhcz q(0consists 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 the nnjn g2 ;c ko2ofj6le (l7q.y0 20 ftyjmhb.rm*umber 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 dez )(fhgkv8v gu.fj )c/termined 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 nu4 3zwplbsc,xce h-y( 8mber is given by Z, its atomic mass by A, and its neutron number by N, which of the (zcy 8 bh-s4c,p3 xwelfollowing 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, thenhm 1ez v2,qz, atomic mass number of the nucl nzm2hq,v1ze,eus

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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 atom; / bcs,u dpv /jxz2yawd;.i1c 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 :-okmrj gi9x9stable 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 dijx xg h;92c uk+k7:bz lnj7r)qfferent numbers of neutrons are referred to as k+)9q2kgc7bnjx7 : xr hzju;l

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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 ny6(zmlmgufk j+ww/s y658jh6uclei 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;pv(x;xkiiyrgx29r0 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 massnou+ijon7) 9m vnc69j es of its separate protons and neutrons, the total mass of a stable nucleus is alw9n9ouvm7onn ic+ j j6)ays

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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 *8y reepx,+tra 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 nue7quv6et oo8:cleus 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 nucleonwm2b, ar,gau 1 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 pee.ibvk4e31 avs x bk ).it(v4zr 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 statementshhs qr:d,o+ :o 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 between adjacent protons,uus9 td3xg 6a in36utxg ds, 9ua 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 penet* *4 yddr/ p99xec)nwzoqxwl5or16h b 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 penetrateqss*i nu-nw9 eka 8, t9imo99t

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetra* pd ;,f)5sjbs+5qu zu6tf crcte

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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 alsoy4:uv,rzh6qnv0pswk( vs: ; i;aa m 5o 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 knht9jtbe yr-kxch66+r + o1r+ vown 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 aowo 3u.eafw8u+jcc- 9 ttracted 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 mass equal tbb 8emt+w+pi9 .q)khlc* x/glo

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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 unstablejkwy(n6t0 sv, nucleus, the atomic mass number of t,v jwn(0syk6the 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 numbt kl3fsd511 reer of the nucleusel1s3 trk 51fd

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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 93 rz bf 7.p+b*;4m s00lhxbaqgw1.5 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 same as a gamma ra*ag28l0y2q3i ukx wj4bx;i rxy?

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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 :.9dtve: j1 3b q m/eu/eidc h3)yxzkean 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 ft(9ebb myeo:dr f2o( )wivs;: 9i9ah 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 consolw8,)u0d+9msfol19 q dxh pqerved in addition to electric charge+x pld)q1 f9wq8o9s h0m,duol, 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 radioactive substance adj)qg hd j/z mikm+,:,86ubyps 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 nmh;1l u71b poemits a single beta particle when it decays. Whenupb ;m1 7nol1h 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 cup-x m-v-yu5;;roy v+9 wsqumws0 0fbirve 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 2;ogop*:xubl 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 chambers b;ni l)u( mw7h (dvvn9qecause

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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 numbor+sml hwk:dx i5d gvbj568+3w kc 2p/er of 14 and atomic number 6 has how many protons?+ws5 d6 /p:h2kk olxdg8ijc3wmr+5 vb

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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 ojn f0e6d)w16(o kz npr xrj,(rb3qt5d f 14 and atomic number 6 has how many neutrons ndtrj brr)(0(36 jdkeq,6f x1z5n wop?

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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 39, reszok ea7* bm8d5pectively. How m5z7 ok8ae*dmb any 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 50ch+7 fpyk 9r l8enn.seqd2g*e4jqw number for calcium 39 are 20 and 39, respectively. How many electrons are in oegq4l2dqyr 9 ps. cnh+wek587f*jen0ne 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 an d6kcs*8ej*7 ba itoy,d mass number for calcium 39 are 20 and 39, respectively. How many protons a,a8*7bj *sdk6 ytoec ire 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 are 20 aniv1m93f lira uunc+i-0 s +f;xd 39, respectively. Ho9-vf 3iuxfi a 0 +n1cl+mri;suw many 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 nupm0p s gfno*b+, -xpe(mber 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 theree9xo1,5 boct f 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 rgvqxhqeel+ q3w;p59o( )k+g 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 sp , )7;djkswg5e+rhrenergy 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 requi uv;njf b9pollj6lu euwt)9y4fflc(p28)0d(red 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 a* sujn39hbus3tomic number is bjnhsus33 *u9 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 xt,w4k3qb r.z.* jtjjand 249 nucleons. If it undergoes alpha decay, what are the number of protons and t*,qj. jb43zj kwr. xtneutrons, 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 by beta decay. How much enerjzlqoib xy v.*85ce 1+gy (in MeV) is released if carbon-14 has a mass of 14.003242 u andoy.+*l1qij5ev b8 cx z 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 u -sngbpbp+ ,.d, c.wpdndergoes $b-$ 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 b**aptloxz(krfb**) y mcf7 3gnr q41left after 100 yearbkmaf7(rzgcfnlq )yrt * ob1* 3px*4*s?

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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 hyp8)e jr9br4ynej; e +e4*v jlalf-life is 247 yeyn 4 )ebjjy r+eprv 8l4je*;9ears?

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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 certifrte tqg3d3 r/zyn2l hy84.z(pmsr1i-ied 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-lifejx oz taicd q+e*35d9q;s(d o) of 10 min. What fraction of the sample is left after 40 m ;ddotz9 a)se c3jiq(qdx+5*oin?

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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. 0i kckm/ 2mqm1 How many iodine nuclei are necessary to produce an activity oi2 1 /k0qckmmmf $1.0 \; \mu Ci$?

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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 ahceb3 ,ihv/4, ar8k dp u/r9wp half-life of 3.0 days has an initial activity of h 93, re,dkcwuph4 //pv8bai r$0.24 \; Ci$. 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 measurelns /tm2 tov+th n ,1kc.mv6.rq85mrv d in a piece of a wooden casket from an ancient burial site was found to produce 20 counts6 +vvq. 1,h.2vmr5c sttntlnok/r m 8m 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 takje d 0 s;ix5d; a80frhle/+rwve $4.0 \times 10^{20} \; atoms$ 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 taks.f2rvcl s7 j*e 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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