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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 particj1gpge681ka b arr *0x/9i jwkles 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 is2fda8xz s;o*) gq3c ih

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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 of7/my. :bg q o1ilxo)bu

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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/. 6l cd*rc7xviqif u une*;8re 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 dwka (fj .a6-nxetermined 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 i 0tmcbon+;(y yh5 *tbss given by Z, its atomic mass by A, and its neutron number by N, which of the following is mo+y cty*s t0h;bn (5bcorrect?

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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 em*:w3wfo+.4 obvic whgitted from an unstable nucleus, the atomic mass number of thewc:*gwo4+.3ofivbw h 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 atdf du2di ckl8isvx1c3ha 6.) 0om 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 xjyz1fg)wx / a7lj 9(zb;)blmstable 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 neutrevp6t o2 t.j;gi/qeh- ons are referr2.6i;/tj eove p-qgthed 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 nkb.h(7n83b3vdbx7lbea6zgl 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 l ww.o37zgq+fvjs0 3d 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, the total mass ov..n.ab bphuld, )c ;gv*i*o gf a stable ; b o*v) uc...gh,nad lgivpb*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 nul / :lj0iaoduk1rp e34g9 j l;ts7guk1cleus, 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 ca f9z/z c;6s zuenobb-u -bo*x a jog)oj8z0+9ontributed 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 peraa9i1 hx 5b-w.c(o cz4jkqj/z 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 nucle ez,94)xudy; d/ydzm o e2g-mdon

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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 statq; bglr,q,pd j /5x,ksements concerning the 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 f+i1pa2 4 ucik /7faugworce between adjacent protons in a nucleus +2pu/iawgka if4u c 17is

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha rays can penetratetogc y,q- 7ap(+ akp6e

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrag y )g:.q z2 mg8l7m7thkd-pxyte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrax-f2 h0in -dozte

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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 knvh5 tkpch 6e; ;bw24dyown 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 knkb kz7pl8pwg,dx: d5)4;ewub 9 yvvld:i, 5lnown 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 dqrjmeal-b,.w:16wa 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 ewl ,x- /jelt-g..mvy xqual 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 emitte)hs:/t fsvo ez2/e a/fd from an unstable nucleus, the atomic mass number of the nucleus/ sv/:/sh z 2aofft)ee

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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 unst +u1f+y fjje9xable nucleus, the atomic number of the nuclejxf 9uj+f e1y+us

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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 represents*d 5 pkxm; uhjsi,i5)n

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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 near v49:la.e29ij5 uizt tli+yqp ly 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 i+x hw1ceql16emitted 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 9oo 71c8tqym 3vmwj:6ulf9d pmost 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 g. -nx71e,w*g we4fwf1 cqeypradioactive decay, what value is conserved in addition to electric charge, energy, and m714 x*wgp.w- f1qee,nwc egfy omentum?

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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 radi-rgr 5 q2 yh8bfgqjh d*;o gv(+g(qda7oactive 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, carbon-14 is often used. Thi 7le8tzcs zw 86kl+ 9c-zfbjf-s nucleus emits a single beta particle when it decays. When thzlfe 68-+-ck8wclzs tz fbj79 is 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 curvatss0c q2u mrpx,bqg1 n72b (9e 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 hydrogen c4 nfm x,hn0 xiphi ,id7,,tm8is 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 z:j9afa p d 0)h(7dewireplaced 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 numbegr95x2qp gvm).:ed dk;dsyf3r of 14 and atomic number 6 has how many protonsdr s3:g)9xdefgqm. d 5yv2pk;?

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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 man; sbyofvxn0id:o45 n(5 h.z hhy neutronss(dh5 ; boy:xn0n v.zh5fho 4i?

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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 zxw+f5 bii2daak4z f3 w*e((k 39 are 20 and 39, respectively. How many nucleons are in one atom?w43w*ka(dfxb azkfie+(5 zi2

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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 mas+w8:aegzaik29; ng 8rk,crc d.imvm/s number for calcium 39 are 20 and 39, respectively. How many electrons ar i/w,9rg:8zc+carmnig k.dmk;28 aev e 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 numbm)lys e(a:09w2w5 29+ywbrwghc smster for calcium 39 are 20 and 39, respectively. How many protons are in oneagermsw+0 s b:2m2s)9(ww tw yh95ylc 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 mws -v1v m)ek1dl-t*umass number for calcium 39 are 20 and 39, respectively. Ho1*w-s vtlkemm1d-u )vw 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 protons, neutrons, and ea55- m/x-/ aeyxblf- nwh6gwj lectrons 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 thecyex)yo7lb:j:r 3 i :ure in 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 number 15 has an isot+tjfc;3 rcth 2 ;vnbc.9sbjn6 gzgz/3ope 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 ener*xd4gh3+ dig9 hsq fajl;ou;+ gy 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 requirev6c+b4- sea ncd to 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 numberw (0pehhmq+b9 is no9+q(0hemwphb w

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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 undergoe1ezu/n *j9it9 )ujbq es alpha decay, what are the number)uj n*ju etq iz19be9/ of protons 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 vr kwa2:magr1mkk0y;.( : toynucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003: oay02tay (.r1rvkkmkw;:gm 074 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 undergoes3 nde ,m9hpen*0yvja3 $b-$ 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 materialuocj5,zty .iomz3- u o.l2xf : is 45 years, how much will be left after 100 years?3u5,z:xm. fyuo-zitl. j c o2o

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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 m c0cnk64q4e:dt2j )w 4rrqe mthis year if its half-life is 247 n64q t):qmwkej dm44crre02c years?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A Thallium source waaqzco+36 hi +fs 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 half-lif, iew(pmm*b4 z6jn nq-0l8toiq; xc+o e of 10 min. What fraction of the sample is left after 40 mnm-e z(x*i4,bo0oinq q lc; p6+ jw8tmin?

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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:vt15xpa5 mu(rq kn1t . How many iodine nuclei are necessary to produce an activ5 t pua1x:tmvn krq(51ity 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 days has an initial aj+ofwadj4.f gd .(jr7nv8hy7 ctivity of ohdjnv8.j+ wy7r7(ga4f. j fd $0.24 \; Ci$. 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 piecq ,6ya ;zg)txxe 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 paxy;gzq6t , x)roduced 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 tad/ rfy q vh5d04oki/h-ke $4.0 \times 10^{20} \; atoms$ 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 a72wnb3t:y3s+ ci oymw $4.5 \; Ci$ 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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当前第 题,此次习题练习共有 71 道题

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