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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 parti9v2o l 6i+)mzehjgy,ycles 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 -xs l +u.9 ld zdcvzkul5ta1/)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 consi5 e h2de3o,0jwd-i itzsts 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 t j2ghc ;qjzhsk+903al 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 i06 v5xa y:) : qc;gv70 fvyecrbg/nlfos 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, ax jb6q*8o-qiii8* wpnnd its neutron number by N, which ofj* 8xi6pi- 8wibqno* q 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 a*r ir(.kw6 4yv 8r5kkajuw 1zstomic mass number of the nucwyi s5 vjrru4 (1k*8akk6r.w zleus

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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 fl81pdxq19n :c . h+bxyemiz 2tes;u8 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 0dm ifo x92z.*hulbebs- 4my.; k(tvqstable 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 neutrohz,it v6i t tkz )t8i62n8m;3pep jp-lns are referred to astzi8kn2-tpv hi,ep6zj )ttm 8i6l3 p ;

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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 nuclzn74o uokr- wpv,v wt4bf2b:6ei 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 define(,q 3/dh,p;fm/ y;yr ffvqmyzd 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 mass.qh;7c-xkwsg/b 3 ik)tck ) wpes of its separate protons and neutrons, the total mass of a st;k3-xt kq s.w)pbwg kcic7 /h)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 fow8ux mod kk;u)(ghy; :a: z8hjrm 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 of a nucleus is contributmz.,b 8reux-3v ran-c ;.gcxied 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 nucleu-h )kxr- ncg:on 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 nucleonxko,a3ax n;ziv 5zax .a.q+,z

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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 forcibg ol31/mac23 om,3*nc gej ed:al(ke 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 protowt4r*p.tw ui i* 0kra)b;be.e ns in a nucleus isi*4*awrtwrt ui bekpe b.)0;.

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha rays can penetd3;vllkg4* ct a)smmgm3 nvf,w x )x3+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 penetrat6mv gf h15(iiv6l( ugve

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratee 2tstvn(y(, h

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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 a(z l nbmhmsbn036zix65 ujo *-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 known a1 k5(xmp9bag y7mm6 njs

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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 al 9 w2b0 wyvs86oj;5dtvn4dljttracted 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 at + 7ud,7ajqfboi;,j eeomic 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 particle is emitted from an unstable nucleus, the atomib9a-qa nra;8 ac mass numbeabnara-a 8 9q;r of the 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 emitted from an cf0asz( 1 yt8ujl7-rwunstable nucleus, the atomic number of the nucl ry(fu0z7 -tca 8wsj1leus

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The expression (MX - MYqh xoy:d)gv8+ a7cfr4 pyq +jn xm:(d; - 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 samel;k.r9 nuxduve w2g): 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 nucl0b+s j 3zd;4oatwvq a.eus,

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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 20oe pmu kx7qnny:(d*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, wjh5vvo7n /3:6 fyjftghat value is conserved in addition to electric charge, energy, and momentv v7/g:f n3y6jh 5jtfoum?

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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 hal ,j 9g)qoqh3anf-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, carbon-14 is often used. Thid:s j 6dr/ fb),pszk 21kbsu3us nucleus emits a single beta parpu2 skzs :jd16/k)bd sb,rf3u ticle 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 thvi ej l2 )999dweh0vouat 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 tha yn 7abf37nh:bt 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 been replaced by bubble chambers b)h/tyx)dq:esa1hlt 6m6vnspvhg-*/ ecause

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomiv yapj 768kgj -2mk1akc mass number of 14 and atomic number 6 has how many protonkm k ak 6gy2p-va17jj8s?

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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 many07pbhf36bv)ive0so.lv)aj y )9 f .aq3 dcn hy neutrony0p f0i)ebsavl qh63hfycnv a) )jd39 ..ovb 7s?

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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 ca0 -k 99wfbx8ilk) tids*occx7lcium 39 are 20 and 39, respectively. How many nucleoxw 709 iositd)*kf9x-kbcc8lns are 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 number for calcium 39 arb 5tmvf5gq94u 4p.xkfe 20 and 39, respectively. How many electrons are if9xf. p4vt5q45 gm kubn 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 .y3b5h m0hh0bfsytqes,; b * q39 are 20 and 39, respectively. How h *.bt0 hf3b,h eqs0yqs5;mb ymany 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 20v4 o wjyq ;:llr/b;ngf:tcw,6 and 39, respectively. How many nev64wgolfc; w/ t ,:;:lrqjy bnutrons 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, 4 t6moc 2sr jy 0f1ewjrt9b;s0the 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 the carb3ok - 1xbvbb-an6 j,)l+ds mccon-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 isotope orpe6q +0fnc56 fje9meu-;etd f 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 energy oeft//h0m m3hd,ns(dkn r-l s0f $^4He$.

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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 p08al v7b3hqkq2 1i8eydvbhf )roton 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 throughoxxi+ *2tz0 pij7z3r;hbp3 g v alpha decay. Its atomic number is 3r3htgii2jz7px* x bvo0 ;+zp now

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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 undergoes alpha decay;5u)9 rbdrtj-d x did6, what are the number of protons and neutrons, respectively, in the daughter nucleusj-db 9rx65d r;ud)tdi ?

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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 nuqno vl 50o2e /0cohpwmy,)880nhait xcleus 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 mh,28vipq0/n) mynoloa0et cxw 8 0ho5ass 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 numb+pqp5i)h bd1.o(al pier 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 is 45 years, how much yr/9nw40oyzmv79 l 10j hiw 34qygfsw will be left after 100 years?/0 iy9lynjqfzwr0s9ywgv 4hom w 7341

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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 :3j rf e*l3xtfan atom will decay this year if its half-life is 247 years?rlf3*e ft 3:jx

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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 a;hvf rb: m 2i8(nqi*ltp.mtirg(g*;m t $10 \; \mu Ci$ 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 fracxx f h63i1pvtcri- l-c23, lmztion of the sample is left afpvfi,rcx-1-6 mixh ll 3czt2 3ter 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-137 is 8.0 days. How man .hdxx* do00owjbl3 o3y iodine nuclei are necessary to produce an actixl3oxd bh03*j0do w.o vity 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 wf-ab0 o **rem;xev espk9 :jl*ith a half-life of 3.0 days has an initial activity of :e- lo;epv ab*k f0j xem*9s*r$0.24 \; Ci$. 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 wl fqgp 2zz6 7wu3p3mn.ooden 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. Thusw63 zzmnpp2ugl .3 7qf 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 take khbav5* v 3s,e$4.0 \times 10^{20} \; atoms$ 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--rzp plj/;ym 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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