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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 particlk2n -z vv.c*;z rurls;es 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 is10 elh .j4gg3f: 7srv5ured yn*vh6tk

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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 vc2l-lywfyc m cm ye:)ix:(:t.0:x otof

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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 detersk7p;;quwj7-tq o76u6lvrv gmined by the 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 detev z.cbc0 1l( kcst7fe;l1uvj( rmined 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 llpm)nx:d7r sx3 h (5fmass by A, and its neutron number by N, whd:mhlxxslf(35)7 pr nich 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 emit*cvkm63 t1qc hn(xf3v ted from an unstable nucleus, the atomic mass number of the nucleu v(nhq3 3tf*c6 v1cxkms

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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 at4kxhxlkg+70. kw4 cg som 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 stablelpfq)e us;hn e(4gc( r,hvn)) 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 di djq95o :x+)no55fy8k dxtturfferent numbers of neutrons are referreur 55jfo5 +dqytn9xtk8)d: oxd 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 nuclei+v wrf yc9d-1*f ca 6q8*shshl; (rtvm cs-j7j 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 gcyq, y) uli/ er+:hz) x1/hecis 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 +mpc,a;6 ,oimpbic1ywh+dx9 and neutrons, the total mass of aixdoa9b6 ++ppw hym1;ccm, ,i stable 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 q: l pul c)wb;zu:gs (6:8rpb4qomvq4stable 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 yl l1ces tqlv6q(2x 0 iqu1tc0g8/.vmnucleus 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 nucleoncstnd7j+ 6mu-);cru;u d 7 8msbi(egj 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 nulx6jg3 k6y7.r;nted(+0f v c.r:ox po jif: ltcleon

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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 fal q+ekge;s(v;bse?

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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 force3q; -enha vlu9b5eo*mwv 8,sr between adjacent protons in a nucle98,3ovsmlv; hwb ue5*e nq -arus 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 penetrai)pdhd m i14p5te

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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 11 0+7nti yucef(4d7ntxetvme

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrarsd v3 vl-v+c4ng5co /te

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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 uhip2d/bde7 6known 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 alqq,fjp(ls. ;s

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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 attracte*km *5j8kg rgod 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 jf*y u47jqn7d,uvp -iomic 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 nucleulljz4gj 28xhw9vg * 3c gf.3lps, the atomic mass number of gv.x w *2j9gghl8llz3c3fp4j 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 unst3 g4t7e ,jg 55amarn75:tqcdk4 jhltoable nucleus, the atomic number ofkt:me4ja 5d ch 4l,qtngt57 o7rg35ja the nucleus

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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 - ;sh*po9 3ji;mn5wiuh 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 f6ziv+4jo+m8xkbak .:t-o q +3jl kjmsame 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 nucleu 4tbkv.4dolb/5f v(nss,

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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 massx ,ifsd(- puu orz4158id2lpn?

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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 conseb f;k9/)ese(. nl 2zxdqz)yk crved in addition to electrf2x ;e ykbdzz)k)sc / qne.(9lic charge, 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 radioactive suk qxpo7lh q 25tske hej3m9xjs,(*0o4 bstance 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. This nucleus emits a singl ky:/h*jyc;f re beta particle when it decays. When this hkfyrjy; */ch :appens, 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 tonq :4vol8tqq- 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 that usex3 n5guk/ a*e)bzwg0zs 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 chdsxsr j4, m 1kp70wk/53jlhmsambers 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 ato3c xe.j: cg:da,g oh5wmic number 6 has how many protons ::w.g x35joghc,deac ?

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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 14vh)6 k. y0:()yj qll 9s jbooa1)hhksz and atomic number 6 has how many neutrolao1oh(ly) jyksk 9)vzb6 0)sqh.j: hns?

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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, respectively5 qk0 i2pcy*tj. How many nucleons are in on*c5p i2 0kqjtye 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, respectivk*f9v lkphq:vx;. jv3ely. How many electrons are in o:pkvf*kq jh;v9l 3 x.vne 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 cal g-zo1i,s8 al i)sth3ncium 39 are 20 and 39, respectively. How many protons are in one-i3 an ,) ltzo18hissg 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 lk2;r2c )ha jicalcium 39 are 20 and 39, respectively. How ma lcr2ak; 2)hijny 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 electrumlgweh2 -7gx- ;s w8mons 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 th11puc s;n jur(ere 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 isotop( uzl.h)6z h0np*f (btjp/x) m9ioblp e 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 enkq iww: 0n wy)j(,5ddmergy 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 21ad-w5 r2y bpiioxt.m $^9Be$?

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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 numbe3gzldj . i x+hx3t7pi7r 88 goes through alpha decay. Its atomic number is l+gxx z 3p7ji.3h id7tnow

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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 proto ojxv/ ,jne+o7vs;k/uns and 249 nucleons. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in kouvj+ne/vj/ o,x7 ;s 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 nitr ; n/zvt5u(edj72flxjogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and z7;jx5(nld jvf2t/u e 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 numxipz k6cw*- (u*d .alxber 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 will be left aftc s1q 6,xz 50m,ginlwqer 100 yearsglxcm,zw5s 10i qn6q,?

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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 its half-l6zw k/b*jw6xbz 7 a0cpmv4ht6 ife is 247 y064k ab66x*whj w/tmc v7bzpzears?

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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 certifi/mwn7d5vuu-(;ddj (e hp gox+ed 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-li275 lcr-l uixcfe of 10 min. What fraction of the sample is lxrlc u -2ic57left 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-137 is 8.0 days. How many iodine nuclei a2t7+cd e.2cajwrg( zcre necessary to produce an actie wac2+gcr .d 7ztj2c(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 with a h+8 jqwlebb+-iq2 j+ xqalf-life of 3.0 days has an initial activity of b++wqb8qjljiqx+e -2 $0.24 \; Ci$. 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 wooden casr8u.j,/za 1spy q *mogket 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 would estimate the age of the ayo/gsm1j* ua.p zq 8,rrtifact 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 takhk as-87 ,g8.pcev+h+n hbjyne $4.0 \times 10^{20} \; atoms$ 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 a,ifcu tpq .m w)u*25su $4.5 \; Ci$ 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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