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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 particgqa e. hc3t6fvo+: ti1les 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 , bnope23wbhn5 m1sv2)oix4 n n34nhn 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 cook.kw 3), dsj4qaw.c gnsists 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 th g,fvcv+pa4;he 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 is2+kfbve ; vaa.9kj8ab 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, and iq eidy40 k pk)wbem3*1ts neutron number by N, which of t m1ewqip y*kk3)b04de he 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 nucl6gkfg9q7 w-st eus, the atomic mass number of th69ftg -gw7ksq e 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 protonjlbx: qsa9 5c7s in an atom 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 ofky52c- 9h8:x slvsgbi

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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 ofrup s1u3 ( 4h;*fggm;tgdnfm9gnx : 6v neutrons are referred to as(1g ;v3:fmgngdugnrx ft9;*m6pu 4h s

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Isotopes of an eleme sq-vm w*nxmh))0z p9znt have nuclei 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 definedh i+1 od.zd+ah0b4 hwl 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 il,; )q-e6db ien vq/wi5, sd7nyljol :xq) (aqts separate protons and neutrons, the total mass of a sts7l6dqj: a 5o(lqqxlnnd ) e;i,vbe qw)iy/-,able nucleus 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 nug9*3w x,yro0 nfs2r lq4tc6o bcleus, 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 nucleus is confa bu*rw:fe-+kd)*0h sx o0hut (8iwf95blp ntributed 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 nuclej qd dx6i,4kf( .,pxdwcm 7zj6on 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 nuqes pq6vq3p :jng)up* 3;+g;sbkq e8ecleon

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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 4n+kf7jian*z 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 5aaa-ma,; cu/lox ogig zpg)yi 0m118c-mgapg / ,8xym;1aluoi5 a1ai )g0o zin 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 penetrd2n4(*a tfw*scafl - kate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrat,.x:e0wf fsirnj(ys3mx(nb 1 h*5 jboe

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetiwf+b47nh3 w:,r pletdw(4gn3q yw )i rate

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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 adh4x- pjb ( u344 ,ya2-n/ essrt(oufalzug1o 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 k+:c.j w-urjj9 xp yv +yd,npl+nown 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 wil s wx/2zp:kl-3u b9r -u,knxqwl 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 ma::k+1ykqptwr 7eo- dv77q e ogss 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 from an unstable-c/i00eb svs9e5mfp o nucleus, the atomic mass number of the nucleusevms i pf9500eo-c bs/

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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 numbih(nzzm/a 20l er of the nu mh 0nizl(az2/cleus

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The expression (MX -w ioetfrz,py)s47dy:(v, s9j MY - Ma) 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 as a gamma ray? b8. nk.w)lo x/m 3d 9)kwpacwn4rvc*k

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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 unstauqc h9vp )q+(able 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 m+nhx/ x-m f7ahass?

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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 conserved in additoabo7ygudpa .1/j3 h(+n g iylwqn:72 ion to electric charge, energy, o2n 3.:ydy7bg(g/qn hw7a+u ipaj o1land 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 substanc9vodt p6md01 qa6rt+ae 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, carbon-14 is ;yfv pm ii4;8i5k: fpioften used. This nucleus emits a single beta particle when it decays. When this happens, thek;v i;f:i8pmi5fpyi 4 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 curvt09pu1o vnn ; e9;jcrue 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 liquid hiw60;v*sg1 +fm szklv ydrogen 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 bubbl 08icnotcl ,)m kd11u*bmya+re 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 kpxm7eh 5:rb, 3/k akslj1(dpnumber 6 has how many protons?m15p /sl(,7jep rhba3 kkd: kx

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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 numbe7ifd /f*+ zta9nwkv st b zs4f2itx/)*r of 14 and atomic number 6 has how many neutronsxt*tizk27z9+ n df/b fi/w )*t4safsv?

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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, resp/59 xstfq t (j7-hhdjyectively. How many nucleons are in s jy7f5d- hj(/9tqtxhone 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 calcium 39 are 20 and 39, respectively.0 bn22/ mk:sbe 6rarxq How 2b:xr r 0s6e/bmak 2nqmany electrons 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, respebw7.mde.6ui;w (*w eeqnkb i0ctively. How man dmwki;bieub* e.q.(6ww 7e 0ny 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 and mass number for calcium 39 are 20 and 39, rci 1s51 6r8glehauwi 1espectively. How many neutro8 r1wg 15l6c1ihueasi ns 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 protonpx jj .u olj18a1w03po:gj ma.s, 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 4u - ,msiagck( r -zui(aql+ iw,zb0e)jsf0a4in 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 nuvmk0 tpz+iq 5clq+ (7rmber 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 eneddsk 3wh g,*7urgy 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 r*by5m +.befv ;nccnt7emove 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 numberdrkvi,9)s; :ww h/kmr 88 goes through alpha decay. Its atomic number is nowi,w:vmh sw rk;/ r)d9k

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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 ity4 8r/l8j)u/mgl5 t ytyxabv9k t :gs* undergoes alpha decay, what are the number of protons and neutrygb94)l8*t s5m/v:l8jtk xyr tg yu a/ons, 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. Ho tch+:s44 tpaaci)g*uw much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14tp)*scac+4uh g a4it : 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 underq6.xs hq)qq s)goes $b-$ 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 fx99xxo(hpcu )xoj4 0is 45 years, how much will be left after 100 year04xx p(ufxxoc)99j ohs?

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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 ip)r0s z8ew+shlojjx 4p)f:t: ts half-life is 247 years?lpe:z:) o48f0h +pxtwrjssj)

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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 certified pe: bim-e eu+,n a(fu3at $10 \; \mu Ci$ 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 hasu ff m 36xgynrcm35c hbyolz/ 1fwt;fn-a(116 a half-life of 10 min. What fraction of the sample is (wfyg o ftf5c3n1nxrmu1;h / 3mylcbf6a-61zleft after 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-18gx bqo) 978 wzxvh+6za kepb337 is 8.0 days. How many iodine nuclei are necessary to produce an activity of bk)9z obxap7z6e8 hqw83g+ xv$1.0 \; \mu Ci$?

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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 3.0y1xxv6 vq.rrh:z 7g0v6mn . c. ok1ztn days has an initial activity of zrtc.o xr:yh mg .6v0v71q1kx .z6n nv$0.24 \; Ci$. 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 measb9bhy+:x ;vwif g .y:iured 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 oyii+:xv 9:y.fgwb;h bf 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 ta6id+aat-2,e*p*uchois),nmk o wfi (;(von qke $4.0 \times 10^{20} \; atoms$ 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 :s pjc5tlia svs 1/3(ta $4.5 \; Ci$ 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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