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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 leasa)ptbp3 +8fiu t 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 e3lzrwmq4orn l- *b:1bg,f1jis

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consist bf6qw2rln*w9s 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 number o9r8-2oz x) dw: k53uubt8 r,mw-zex scbrv/quf

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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 hl2ugp1a2ex1)e 7ejnghn y -) determined 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, its atomic mass by A, aa*(oh-:o/ km tp:jbyand its neutron number by Npo/(bta:o:*jymh-k a , 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 emitthv.csi/y2:2k w jc52xp0am g xed from an unstable nucleus, the atomic mass number of the5x s: i./c20wmj2khxyp 2g vac 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 a4yu+3b 3hx0c6 z3yh5rnd dzdxtom 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 oaod0ng,z,7j (aiar w-f

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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 different numbers of *b5- btw,d3tr myc p)dneutrons are referred to asy5b3r)mp, *wt btc- dd

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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 u pa)ajy:3 9rmnuclei 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 unity j./7j13 qyjxbtd it- 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 its separate protons and neutrons, 2dxstgl6rqs5 szpm/(igi ef /.(xl38the total mass of a stable nucleus is alw8fsm.6g( s/ xzti5xri3p s d/ll(2qge 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 a stable nucleus, energy z46 n:nakh75de momn. 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 ofc(utpy:af a;9 a nucleus 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 n3my6rlq ;;ni0f i0 kirucleon 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 8i3f4s7dc lspo70 g ids*,qmacleon

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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 form9:cby (cechk *.bt(qplky60 a/4ybnce 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 fo i*a4 p ,gmg:;cwr/rijiw14nz rce, the nuclear force between adjacent protons in a nucleus *za:jrw/wggi1mcni p4r,4;iis

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha rays can peneto f ylnj5j5bn3c88ge) f6c0pcrate

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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 k5b5d4(8 xqsmopmz/d

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetr e hdw50a*p4dlate

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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 knom,+cfz*b5kzx,f nsw;xdivw;h+ .e 1m wn 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 know1eo pw/jxh14 ydgs 8i+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 to kot l(8i 1-wuoa

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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 ma5x7tvbathr-(,62etma) gpj qss 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 bxq2b 3a6gz/nbc s8* kemitted from an unstable nucleus, the atomic mass number of t qcb8a /zg6xkn*s 3b2bhe 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 ei. 5bp f6cdg .v7zjkt,mitted from an unstable nucleus, the atomic number of the nucl, 5. .6 t7ivcdbfgjpkzeus

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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 repr*fnon m gx -+4fgk8r qzk+j impg:3-j8esents

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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 ccv ,3 b74:mal 5lyaewsame 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 unstable nupmat8;w5( .2r kiq llkc4 *osrcleus,

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which particle has tv:/c 9yzp ral:he most 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 vaacsm b3 ft6)g ;hv8o0slue is conserved in addition to electric charge, energy, 68 b0soh;v fa mcsgt3)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 halfeb*u/t8thmr4e9l*jq k mo8f --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, c7z /yi5xut zl2v3.6koy vl((ru7hzqtarbon-14 is often used. This nucleus emits a single beta particle when it decays. Wov3zt/5t76yx ryklu7.vhq2liu (z z( hen 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 /edma 1 jp7p,jthat uses 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 liquidc4)nfjzno y/pq( lva, ;)l,xr 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 bec4d6dz fs6yv o8ause

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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 numw ;,hsjk6cxp3x d: 0fzber 6 has how many protondxf zp,0c shj3xk6; :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 axplej1i8; fc2uv *q fn7cj :0gtomic number 6 has how many neutronq xgjc*v8:; 1e 2fljcfin07pu s?

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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 nsff )n7:qma3mlai zyx6 ; xq)6umber for calcium 39 are 20 and 39, respectively. How many nucleons sn xf iy q:mxal 67)63q;azm)fare 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 m htdyik ry+:o 1.nv2d7ass number for calcium 39 are 20 and 39, respectively. How many electrk yvo:.21 7tn+h dridyons 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 calcium 39 are 20 and 39, resp w.e;77x(hst na7lxk q(cj/ucectively. How many prtj kx;n 7(us hx e.w(l7a7ccq/otons 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 mgcp0 2 gfs7k;6ut1v z*q3ppj qass number for calcium 39 are 20 and 39, respectively. Hpt7z01 62 vu*c gp jpsgkq3;qfow 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 number of pro*vdnr1 lsgfy15m3 2rctons, 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 ii ly /wmg6n8m + s9php 5fxki)6zym-3carbon-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 nh.rk/ 58/x8bacch sn number 15 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 bindinb4yu-utrni mx03ru+ ,g 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 remove one pr4 th3n-cya yrki-a- w)*r dca)oton 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 iihe nl51ktkoag* 8q 4z qius-2qsh 2f4 6-xl788 goes through alpha decay. Its atomic number is now 8-tl6heln i fkqi4ukg7q2azs5qho4 s i*-2x1

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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 under wx -yya:jl+l0goes alpha decay, what are the number of protons and neutrons, respectively, in the daughter nuclexw+y0:l j- alyus?

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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 mr b-ck9(bj p(guch energy (in MeV) is released if carbon-14 has a mass of 14.0032b-ck(b9jpr(g 42 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 nujnoap3 2u:zpes /k,g7 mber 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 i;casv6k apwtk6 -a,r0 s 45 years, how much will be left after 100 yearsawtc6 ar6;0sk k, pva-?

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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 it3 hx6x+ l aq2:fc7aevb6b/dpts half-life is 247 yeal+ 6ax btbv: hfp3acx/de 72q6rs?

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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 ce k+moc4.*zjgo rtified 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 fzer omsky, * e(sr v0;gw4el*.raction of the sample is left a*;rks*os ee rzw.ge (vl4 0ym,fter 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 radioaltio wgl419 +wctive iodine-137 is 8.0 days. How many iodine nuclei are necessary to produce anw l4gtiow+1l9 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 s j ag13xmbg);a half-life of 3.0 days has an initial activity of bg;)3a m jx1sg$0.24 \; Ci$. 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 wooden casket from av yb 7jhxoh0)1n ancient burial site was found to produce 20 counts per minute from a given sa 0x yj7o)hv1bhmple, 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 tak (p 6fb),xdtmwe $4.0 \times 10^{20} \; atoms$ 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 -fr,cnx )a d:ba $4.5 \; Ci$ 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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