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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 par+3 * -j,cc8diifbxhs fticles 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 is7n .;i svomf;d

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus conszo:l9 if 31kv(f zcv,nists 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 :w6(hjs 0dxvrv/ :gny 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 the num9ds qmb-j j,r9ey-i,8tox/dcber 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 neut +9;o qzy+(jhz l*kq3uhie/ dpron number by N, which qhp+h9(d*ij + uq3klzy/ ;eoz 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 nhp6x7b. 3pjvd ns;e.eucleus, the atomic mass number of the73xshj6 . .ev;pedbp n 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 atom isg c3bn ayli 2gp ;puwl:79p2)p

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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 sta9zso(r. haiscb8n+7 gble 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 wik,iq-i(pxrx fspbz 4* 06 dov+th different numbers of neutrons are referred t4s,f b- vq(+ *dzp6xp0ir kxoio 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 nuclei wd vhnfp tnbf(n*w:7:,9+v xywith

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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 defined /4+2gl0mwfia*r1 s iax )j dhnas

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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 neutronsb 7fl 26+:dkjrcn8wn.nh d:sg, the total mass of a stable nucleus rh28:n6d:n+ jfkcbn g .sl dw7is 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, energy i+m*p pd3ixv-21kwwzs s

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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 contributed to1 jd,v: gqva * mzfay+x/yrl:9

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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 isvy,r(wu ebdy*uq sx,i(y60 r0

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy pe*hn5l-fdj)t z r 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 concerning the nuclear force rdg*y4f;ktv7 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 betwee8557whzn slbwi 2nk m8n adjacent protons in n5i8wlw582n z7mksh ba 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 penetratxidw8 y 0;6cd s7/c: h3 jws1ibncpj+ne

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrau( t3jsfyjg3 -76mu*eho g y9dte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratiiji,n3 k i-v)e

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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 known ni 3ukdiiv0x0v,wv5l /l h.c(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 czr)r61(erh s 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 wilyucp zm)kz)tx:ti/)(4j 4if wl be 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 atomic mass 1z(tv/4 diym3 glffz: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 +y *9frg3f.+ k-dvfoq;t,dy guzqqb4from an unstable nucleus, the atomic mass number oy 34b .q+q-gy*ozvf,d 9;qkurfg td+ff 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 nucleus, the atomic number of zl(jwv954nhr/o cr 9g the9rc w /zgnhv 5o94lrj( 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 reprwn9,5lzr9jc8 ;-, e8*l zx ks ancviofesents

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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 gamd,f kkpt1n:ps h7 /s3oma 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 unz2w ru.up klmev tm0y25k 53e)stable 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?8 pld4 -vfk.zvy kj*mg(+wdmc u-3.ol

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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 conse. gpeog6hn ,7*ur1hzx73gfsndjs ;7i rved in addition to electric charge, energy, an13; gh6n ,rzu7o j7shesgi*xnd.f7 p gd 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 vqwrf z/6 , z:xz*om:aas 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 n5*exun1v 2uut 6homjwg 7,xv+ucleus emits a single beta particle when it decayuje u62vhnog 5vx+x *uw1t,m7s. 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 charged .s1ky0pj ny5uw,-rc z 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 usesuetrul f;y*2*r;/ mcg 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 chamb+,71v sh5z. uo22yuo lt rco)hxd z*hmers 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 how ma(tihlqwqw+7f ppy3qy u /9 8r1ny protons9pt 31(qq/wyril7uy+ f phw 8q?

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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 ne3i/camgekf(jne 7b 8u 1i21kwutronw bj3(u c 17e8inam1k2g e/fkis?

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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 mab yxvag4akec4 , +6qs4ss number for calcium 39 are 20 and 39, respectively. How m, y+va6eaxcs4bkg44 qany 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 number foruq5 p/mcu/9 co calcium 39 are 20 and 39, respectively. How many electrons are in one atom/pmu cq9/ u5oc?

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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, respectivelyrj.swyr ) q1p). H)jy psr .)w1qrow many 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 andg- cz /.7y3mygheb x3n mass number for calcium 39 are 20 and 39, respectively. How mag y /ez ncx.7m3b-gh3yny 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 of protons, ,vr pr-lfv n9dy2 bn-z.2blplyvv ( 12neutrons, 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-u6 o exet8 9x9)o9pqlg14 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 haa-2 lju;6uqzxbld. p:s 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 binding ene61 n2 (*c*0gkucfvrwjy w 4lrjrgy 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 t9cqi adu.0tr 9i ,inq/o 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 is cy iqz nx2h/99mg9yl1 9x/9zhylq 2y1n9igcmnow

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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, what wid(s ;e79ouh are the number of proton;w ih od(ue79ss 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 ky2w pbnxx- 70;gnd wj /vv6h(by beta decay. How much energy (in MeV) isd;0-6k ygxpvnwwv jx /7(bh2 n released 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 6 undergoesc;v kf 0m,i3m d7hbjh8 $b-$ 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 o x1 :vm2oob0m45 years, how much will be left after 100 years?1x o o:2bm0vmo

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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 a*-eu m*lg6 gk26d wkqqtom will decay this year if its half-life is 247 yeau 2w lmgk- q6gd*q*e6krs?

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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 cer(br73nmu oq2ktified 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 halamrc/qph6; -cij zp)vi 2+w:d f-life of 10 min. What fraction of the sample is left afterc2p); rqiv/6-c z+ iahd:m wpj 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-13h;7n oa3 1wncjnr8ur (7 is 8.0 days. How many iodine nuclei are necessary to produce an activitrun18nnwc73 (ha o;jry 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 dm3j6h/()7te r jgc)lvnq nq /bays has an initial activity of )n3b jc6q/)rnq( tg m7j el/hv$0.24 \; Ci$. 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 duqb+bw8du99s z e to carbon-14 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 emitter, is 5730 yearsqu wzds98 9bb+. 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 ta b1;*yfjfmzd3 zh1wm4ke $4.0 \times 10^{20} \; atoms$ 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 aqla6b00 o: :zp asfq.l( plch8 $4.5 \; Ci$ 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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