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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 o6i5qcpw gh; .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 ij j3hzxq dhd.e08e e47s

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consists ofa h zr).bt/jd4

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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 offeulh: 46h qd68k 4c95heqrpg

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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 nd547ujm mb0kyumber 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 atom)cpu(ndvkha9 2*/g :xy ybi(y ic mass by A, and its neutron number byy akhv) /n:i9dgu2(b ypcx(*y N, 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 emitted from an unstable nucleus, the atomicwgsu9b6qpel -h+h6 s(k.oz l-* npd: x mass number of the nuu.:w k lh9-denb6xo*6- p+lhsgp(sqz cleus

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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 is)nnbv2 7mos(8o kxo a:

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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 t (a1vc fm9q8 c,kp *z-krpj,anucleus 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 diff1 9*kkqe *fobierent numbers of neutrons are referred to a okbf9ke *qi*1s

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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 n8l3mla: s:5q/ )szwmub vrzfgkd.6 /o uclei 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 defined ax si/mn2af zvt ,vl/-)s

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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 n x*d6q8/v/pb gwp l fr.:kcgl*eutrons, the total mass of a stable nucleus is always/vkgr *f p*lxd: lcq8/ p6.gbw

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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 ioo sj5uvw1/f9mpj (( form a 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 o o z2q;t3ip)5 fzq yhi2h9in7ff 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 pe1qdppn;k,o* x huw13s r 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 nucnx7* , 2wp i ;6tzad8n/lfhchtleon

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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 is faw(a z)o n;:qfdlse?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the electrost) wmwj8mckcc qaf(+ll to2s63*,u r) natic force, the nuclear force between adjacent protons i 3u2*c,c(mm qlwj+8ksl )owntf ra6c)n 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 penetratiz: a *6uag.b4ukuzf 1e

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetr.b5svp+2 v3b aob4asu ate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penet +z rutvy/)7/ rc0bsqkrate

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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 afh+39cerf qxp7/ xs s+s

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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 + cn.lh6mb gr95f/nf jknown 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 deb m*kx668a8u6bbcy 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 eqw+u6t tsq2 rb-u h gby5bf;m6+ual 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, lq (t:8uzf7r:wyn gcfn,fzy1v(8o:g2 we zj4the atomic mass number of the nuc8 7(:n,z c :qfegv(yf1to:zuf4wyj w82gnr lzleus

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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 f jafsi4:*f zf,hp;u a5rom an unstable nucleus, the atomic number of the nucleus5: fiaf4pf zjhu*;as ,

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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 - Mam6bu/ ggk 0zm1) 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 same ad , ,ui 6.oi(ginpfh5ms 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 o 7 ./yfem4zdn/njha8m7blwtne j*:8 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 most ma4sm( xc u( eqp/v ry*:hbmgc+(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, what value is ye,3s2 r c c,c6hk)jlwconserved in addition to electric charge, energy, and3, ,r k6)hj2 sccwcyel 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 o2(jv /*anp 2mztk dn9radioactive 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 datin.o)+x a+ froitmuwq;d:hl00:dz 1bw 9 roz-qf g, carbon-14 is often used. This nucleus emits a single beta particle when it decays. When this happens, the resulting nucleus r:dz otxdbhfm-fw.)+u091qo0a +qi w :olrz;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 magneg f1k;b. bizd.:vezq3tic 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 tha5z1ne/yglyc 4 qjsba;* xxm3ho,9b7dt uses 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 beenbkllw9wqkivlk.)s 1iq +;ly x/*j* 2j 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 how many protokaju7v4 q2 -is:vfhvz 99 zdk;nsz2a4 vkvzv9d ;9jkfhs7 q:-ui?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomicprte/g2mon4a .)wvo. mass number of 14 and atomic number 6 has how many neutronstp m )ravgeo.4./w on2?

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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, respectivelyp4tgd w7k /qk: bk)s7v. How many nucleons are in 4dvk/)q tkp7wg:sk7bone 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 calcix3x8csgrt 0+ ;,i nlquum 39 are 20 and 39, respectively. How many electroxsiugxn ;r+t0 8q, cl3ns 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 numbrsbembam-q:(a5jy x y7w6 0v; er for calcium 39 are 20 and 39, respectively. How many protoq-(6be rj0 mx :75;vwymy sabans 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 mass number for calcium 39 are 20 and 39, re1 y2l vayges -pzv ksmgx:(xs67:6x2 vspectively. Howsxmky2v7 gs xz(6-6y s:x2p va v1gl:e 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, 87zn*b6+ ze1 rwm;boqvr/qsq the number 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 there in thed tl5+2kyc : +rdwi0ik 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 hkjn/ zdpy1fk;rsao4 9p:/garye f+8) as 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 e3 zziu/sd /o/oa2u/ak nergy 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 fro( kfy giqiatw-+;y5 ujh5udf pj0,09zm $^9Be$?

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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 atomicxgm.f,go 5 6gz number is no ofx.,g mz6gg5w

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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 itx/w e f8popl q,xowg 11ihw536bn 8lq5e :df3t undergoes alpha decay, what are the number of protons and neu l8oewn8xxwh 1/wq,3qg6lp d pf5of:e b3t5i 1trons, 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 muchzu h( *qovh5s4 energy (in MeV) is rele sh(o*4z v5qhuased 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 undergoes 72zs3z8o k6jpxbt dc+$b-$ 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 materialtk ,jwtn ub sy ,cwx*rf,r ;77a)fo49u is 45 years, how much will be left after 100 year,)f n*rwouya,7,c t wus 4;9kxbr j7fts?

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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 2k wvdqrem.s /+h q2o1 ,.7igyjf8pzsif its half-life is 247 years,sz+122khqj7 ei..fwg v rm q spdo/y8?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A Thallium source wa0ma r6oml9fq: jdxa()s 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 huh e-1nxl*v2d alf-life of 10 min. What fraction of the sample is left after 40 min?*dlx1 -e unvh2

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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-137vpu3 9zgd;(u ot7ewy7 is 8.0 days. How many iodine nuclei are necessary to produce an act vgtowe;yuzu7 73(p9divity 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-lifezkhq3.cnecg;dnse(t-2) fr m k8j8k- of 3.0 days has an initial activity of 8ckej n3( d8tfz me-;rgkcq- sn. k2)h$0.24 \; Ci$. 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 ct* u;noydgfx rh ow12 me(.2)jarbon-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 piecem grwo(dy1o2e nu 2th)fj.*x; 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 tar;nk5 euhx,- rke $4.0 \times 10^{20} \; atoms$ 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 takadnaij +ss5 0ju 4ue wp qy/sqi70/+8ke 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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