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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 hy u/xj(zds 9f4as 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 iex/r6n nm3 g/is

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus co3olq-* l .he5vrmzh dv:9wg j(nsists 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(2zuijkgh,e ev,u1qo x n 0l7+ 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 larzzg70sf39m6b,4c ucq e8 y 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 masw+a mj40j qu(es by A, and its neutron number by N, which of the following 4qu0mwje+ j(ais 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 atomib+,6 lbipgf;98 csqyic mass number of the nucleu ;q68bilf+ s9 ciyp,gbs

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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 *y(/)bizwvwqou;o (p6zvlf )u h y()satom 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 thep e 0lvp67tdvi.of78 i size of a stable 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 different numbers of neutrons v l6v-he/ rjnn8xy o++are referre/vy 8r6j xhenon-++lvd 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 2e(ts-7hny:fx.g 2d i8et 5hj: jmayunuclei 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 defh aee+l;+ +6vh3 a+oy)mpix jtined 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 proton p/pqje,j j:ahg*a r5,s and neutrons, the total mass of a stable n 5 p:aajjr,jehp q/g,*ucleus 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, energy d4 azd :zs0,aais

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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 nucl) sgb+i4sv-tym q dm;4,vdn3aeus 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 nucleon i .cv+-ul2agzdip(vf8s

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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)y fj x8qn)s1;cl.on e 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 thg, ):o*oo1*5fjdt fx (vs0ese50wmqon . jk nse 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 forcq qyz5j /47gdfe between adjacent protons in a nucleuq 45yqj7fdg/z s 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 penet8.a(fx apqvy f6ow)by -zm0i1 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 penetratek 0d.qx6p adhbj2 z3d4

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratnlra:( ns)93m;zydph 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 u k 6sgefr5;t(5 wkyy.qc qx43ruov:+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 as n: 9bmaxtb5rw t7a1n5

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle wigin0iy3)jab v:3ufx4 ll 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 ah sy19 ye0.se +btz)tpn atomic 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 particlelynzyu;vijco3c4t 4 ,spdg)3 i*wr a42i;i 6l is emitted from an unstable nucleus, the atomic mass number of the nucl i6 gny 4) ;ivz3; 24l*a34ildcjtuwrociyp,s eus

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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 unst43 twvjhs-,md-9c x2- ykfsx nable nucleus, the atomic number of the ,s-2w3x9-m y4s nfht-d jckxvnucleus

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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 i 1 dsc z2nsac;.g/.az931.5 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 i /s;b)l*ll c k/x,urzjs most nearly 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 emittedfjx9x((rx iu*4ivplbeepz ; q-4 s6x + 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 m(f)p-s2fid hi m08oh03q:q (fnzowno5e;yibost 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 of2 zfp/yt7 +qauw h*sipd4ge/z-2 (bob radioactive decay, what value is conserved in addition to electric chargez/g wb2sa zuhf + eypo7*b4-t(iq/2 pd, 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 raatn-5 y;jt-)ol3 mv/m :qawsqdioactive 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, carby3gpnzq a-.lhh 6v vx :w92hf2on-14 is often used. This nucleus emits a single beta pawha2hx-.3v 9fyh 6v 2:zgpl qnrticle when it decays. 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 particles is amcst5m+0 c7kl

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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 hydrogen ikz;x d)n4a6vjs 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 r4;6q l.f6hk5 wsk8yhc2 vf :nxs gv/azeplaced 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 howevi;ic9fow 1 gcggni16c3* /y many protons3i y*19n iwof1g/c gie cv6gc;?

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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 5:yb:d)9yr ,rk pbxpc 6 has how many neutro5pdp:y,bbrr x)k y:c9ns?

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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 alk15ll- d6pc wnd 39, respectively. How many nucleons arc1l-5wl d plk6e 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 numbqom6 )wcg: zf,er for calcium 39 are 20 and 39, respectively. How many electrons are in one)womq6c,zg : f 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, respectively.sko* y)-cfge4. ;mdsr How many protons arekcg;r)-m4. sdof * sey 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 l*hsl d.7m/9kn qok c;20 and 39, respectively. How many neutrons are i7n/l*hmq kk c.dl9 os;n 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 (cak)u,trcp, cx,u y3 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-14 nucleuvp9qu*m f r;ow+*0r mxs?

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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 ato/y6bz7e pi i 26mhmj8(a kxd+hrva-w,mic 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 binding si 9vqduh4vl(+ vvvj:hi+wo )dc; 4v4energy 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 proton ,hedjcl*pn .ba8s0ta p d2 *r)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 numb+f*(jcfj hg mw5yf 93cer 88 goes through alpha decay. Its atomic number is w*ch fjffj+g( 9m3yc5now

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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 249p79 e)a;r8zgtydi0 ai nucleons. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the dauge9gtizyri d pa80)7a ;hter 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 tg6sv adyj7fsk) 6o8f h*1h 4iyo a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 y)y64jfs s*v 1hg hd6fki7a8o 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 l e d, z(op(.;uigkxa8undergoes $b-$ 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 *(ht1*-g4km wmy efv. qwebl;be left after 100 years?w wmh1*g m(k-4el e.vfq;ty*b

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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 e92lm bl:r s3pan atom will decay this year if its half-life is 247 years2 es9lm3: bplr?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A Thallium source wasc ; ru1r.nz3xt certified 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 +9+pn c r:fnb 9ay.rjbhalf-life of 10 min. What fraction of the sample is left after 4b .njfa+rpr cy9b9: n+0 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 maso +wfi8n9/g*j-c-(pe pro k tny iodine nuclei are necessary to produce an acti*w e(/-noofkc +si-9j g8trp pvity 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 9 ek kw :c,d 3dogcv9ahl)wu8-of 3.0 days has an initial activity of 8c3,ow9klugekc -v : adh9d)w$0.24 \; Ci$. 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 mea8/kkz4k nnx7t sf9i q0sured 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 years. Thus we wouldf9/4n q 8t7nzkkk six0 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 takg 3yukqpx.c8 7e $4.0 \times 10^{20} \; atoms$ 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 tak20*rf 65fse qa: hlxege 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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