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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 8qk+vnk ./.zf insf -emass?

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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 isx4wzd/5 rgp 3s

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consgc.a/n l1zm (4zc8yp sists 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 th1 ehx cl qdz+kcw66(6df)m 4ase 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 determined by the numbe g zug 6p(tmq)gv0/uz4r 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 byf lqnn9( rbq*7u (lk3x Z, its atomic mass by A, and its neutron number by* q(nf(x b9l3ku7qnlr 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 atomic mass numberql2 +tm9neaty9 r6j-8wcj0ne of thee9wntcjt+j 6 r98ly a2mn0-eq 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 atp*6 qcrsb u5o9om 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 staoppx oge7v (lv- .o6(bble 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 neutron -tovlw/ n*ybzbg 0u4+s are referred to+/b -tnlvz 0g*y4w obu 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 - 6 az5/hqimqs5sh:p4da(cw 1cfd 7ilwith

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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 ixcs (,l rfr ax(dtb+4g35e/f2lc fif)s 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 me0kika*3f0kbxz8 j2 zass of a stable nucleufjk*z83b kai200 kex zs 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 sti7qxlc1 *pf ojjyc:*-able 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 nuclk2z /nmsifa3z h2l 25geus 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 2 (abvjl9qrw,gt -+ufnucleon 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 nu af- 0tm7:tlhocleon

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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 false? )e eytg49ujwhi 4yb()

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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 for b1.hylc3 dg5zce between adjacent protons in a nucleu.15cgzy ldb 3hs 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 penetrat t xo xk:fc-.qe7b64uie

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrakgj 0 (t 2sn,nmj28x4vnev9 jmte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrx+ r,awq*4-ox1r- dtwpzpt 3w ate

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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 dr :7mukvrvb5 1.m9ad known 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 knowntskv4k 0ot5v6 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 attracte7)xuk m6hqumpe: r5:)j*uvzq d 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 equalq4b ev dc*px9mxw0 83;kfp-qsdx :j k, 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 atomi tai-s:**qcp gm5o0f+i: c fsbc mass number of the n:s:oibqfg * cp*m5s ac+0fi-t ucleus

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When an alpha particle0d er6+-a yuwlzypo9e8 9:khtq b* )ya is emitted from an unstable nucleus, the atomic number of the nucleus) e8ek ry+lu9d0 bwyahoq6zp9-:at* y

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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)r-e1g*qopo 6kmbk17y njo/ 0c 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 s3.vmhlu2 3lq/ioo-cw . 1gy csame 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 nucpm jgj3 p+h9.d o2w(6jvr8w u h3mq0zrleus,

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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 mo:k0.hp/q hm*e rv2p;ypbhl c:st 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, what value is conserved in 9se*+4rvsrr .eilkf ngpd e eg6 2b5 /q(k6f+caddition to electric charge, energy, and msr rek 9(sd+*giqvl f5gre2/n.c4e6pbf 6e+komentum?

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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 halj;au no5.q(uvjey zakxt6 y7f 2 278dqf-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. This nucleus emits a si6xoivk 941 mmongle beta particle when it decays.6iox o4m k9vm1 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 that uses a magnetic field to curve charged paqa5y/ cu.g6sefj 4 r(wrticles 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 liqui dbjc0w4ctu5 8d 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 replacedy5d1(eeqqj aw**wut 3 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 9pw5- ;c s gckqtlrzvpk8l:2,many proton l2:lpsz ,58 cgc9rqpvw-kkt;s?

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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 1 ha oh+:q;zugand atomic number 6 has how many neutronz1oghq;u h a+:s?

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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, respectively. oq.ri al(,dlap27pa5ze 3kj3 How many nuckdlrezqpa(ipla25,37 j a o.3leons 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 are 20 (marb5 z9(rum: smvelss4 3p4-zzab (and 39, respectively. How many electrons(5lu-b4 :mv ea(3s zszzs ( rb4mmarp9 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 *6b;(z 1mhz)gi yqbj onumber for calcium 39 are 20 and 39, respectively. How manbohiqz61;*y mg bjz)( y 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 a zw2h83qb.es.xyd l/ wn7, bixk1lax 3nd 39, respectively. How many neutrons arxxwed.y3ks18i x7bh 2 a q,bnwl/z.3le 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 protonstppm oy7w0n oix(b b*7* )q6njd)6axl, 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 tbbp. d8ksdy ai r:j 3s)n/6y8bcns0+uhere 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 4cilz-vo z fpb8:0p v1an 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 energy ofjrdtl(lo 9x vw0s.h), $^4He$.

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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 towt3)w1agp /nj 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 alp7156,nw;g:1bg c*k +wpjx 8oht2ng ykjtvn dlha decay. Its atomic number is g7jptck 2w;ygnn+ w:hkgxb tl151on6j8 dv*, 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 nucm/iy*jvc-2 ra(( (.gdz iksroleons. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daughter nuclem.i-/rj2icgd( (rok* vs(a zyus?

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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*-upowq0+ h/aqwa m+u nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.0pw+ /hu*qqu-am0o aw+03242 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 atomis1x2lbh z7-begk +5dk*;kc tf c number 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 mater0y8+paejkll -y7f,u lial is 45 years, how much will be left after 100 yeary 0 pulyk,f8aej7+l-ls?

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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 tho; 5q m2fm au,b(yypr,at an atom will decay this year if its half-life is 247uom 5byyf(;,, 2qrp am 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 was certified at gq* 89 g6wwmqv2w-6u7x r9g n(6ylgg l:tknel$10 \; \mu Ci$ 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 fraction of the sample is2o1 lr.gg 5npb left after 40 min? r5nlo1 bg2.gp

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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 8.0m4 cw(htsaiq-hs7pdu3xv 0* - days. How many iodine nuclei are necessary to produce an actdh- q-cs (tws7x*hiu4pv0am 3ivity 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 days4/:qn ws1))nscjwok r *jie3m has an initial activity of sj/jowqrs:m)4*k 1 )n en w3ic$0.24 \; Ci$. 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 qc pyp-j0y53ml * 5b-, r vk9gvfsgfi)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 pefr-i9 sq-plmj5pf,k gbv*) 3 yyv0g5c r 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 tavnrdctoxy-*w1) 9 7cq 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 afvh9y/-sd d 4e8-u e*ob7hpac $4.5 \; Ci$ 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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