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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 thedf7 +h(0i.uuu8jbp la 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 ip6xtk37mqd i ,y :u7ex.a0 tgq+r+uf6k/j jvqs

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus cp.dv d(z23n8,hu axz))hsmlt onsists 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 number3r ei 1fd*ds5 /rklq0qdga6h, is determined 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 determinezu)c nuyz7caa:a8l a/xr) e4: d 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, ibwqxh4* q) z+j d.ph+lts atomic mass by A, and its neutron number by N, which of the following is ch4 jw.*pz)xlq dqh+b +orrect?

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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 number hny yft;+0ha 0of the n+fhyy n;at0 h0ucleus

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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 atom2 n,xbhkt ikg8:hm, ,b 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 stmxu4 wen;2k 9eable 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 zs7k pl62y5q onumber but with different numbers of neutrons are referred to p2l5z yk7sq6oas

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Isotopes of an element05hqsht) v j*n j0;jb;;r uifs,u(pp d 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 9 :,,fi rryqoce9vir9 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 neutro5le0/zc/qee2moalg njf1),ro ) c2qons, the total mass of a stable nucleus is alway/rz/qq jgc noe 2e 2)o,a0l51ec)lofms

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When nucleons join toaz*t8uwzfk/ : form 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 u d/ swjuva ngq*rd 3.)c(kq: .0qrqn3nucleus 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 nucleon isdyesug .7ga/6ps.rbwtfu;;f s 1q5 n9

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy pet5vb)l-fp -z jr nucleon

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followin9+3tcgmcd 35umasms(odtp 6 3 g statements 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 force between adjacent przks;qvm ckg /xv1e( 6)b*v /biotons in a nuck*;z)k bxb/6 (v/mesc i1vvq gleus 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 penetrat2mtr-ln5 aj9 fj:b8u*z 0koebe

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetraten pd33z hzr.3)w t75;da6nwshqp8u k k

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratn2b d .ntqz88ne

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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 knfa)(14ujc r4kdo4pd zown 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 kn-a7s7510pmoje cb biaown 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 attractpqudg7r*lvw55hxfw ;(q,y s 4 ed 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 equ 8cwqxqcy,e ,63tlo (ea5*esbal 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 atomic mass num 0tk10kqigbu) 2nb5c lber of th)ugqltb0bkc21i 0 n5 ke 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 unstable nucleus, the atyd0+c+e.j tymxbgpg ob/ th8,a 4,pf3omic number of ta f+pt,c8p4deyyj+bo0 ,x g3mh./ gtbhe 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 - -9 pqn uy5x(5i ubcjh3xfv1.m 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 followibea; 4y g o5pdl9utu,3ng is most nearly 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 emitted frs ic(6 vkfp02lom 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 moh z 4 qco:h7cao-lk6g ibm,nsn/e74z*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 ofy2t 1o7zzba 7u radioactive decay, what value is conserved in addition to electric charge727a utzybz 1o, 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 h/ ::3cjvqa 5ipsxw2ypalf-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 oftenc87 d8yojl25h 1cobm.q+zgry used. This nucleus emits a single beta particle when it decays. bl.g1+ qoy75 2od8czjcm8h ry 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 pau(efot 4/f p q +083fvgx;klsmrticles 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 6(s-c9 qgw;0 qp vlltzis 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 bu3ca -;0 xngznzbble 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 many protonj+kr8y4f vbn o- /jq/ie(remh6 :f.dzq wh;4q8v qh z(q+6fe 4://;be rj f4rno yqwjhk-im.ds?

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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 ma49smm* zc2 lqgr2 :mykb.u zq7ss number of 14 and atomic number 6 has how many neutrozm92q.q clk* u mgzmy 4r2sb7:ns?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic number anddy+ 6*m,ta2 ginvbjw1 mass number for calcium 39 are 20 and 39, respectively. Hmnwg tyb16ja2d* +v i,ow many nucleons 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 calcium9)9y 7xvtn- fk nge0b)71h yzu lgl2wm 39 are 20 and 39, respectively. How m7g)2-bnu )z thv7gfy wlx1ey0 n9lkm9any 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 massg/oj-n/zi7l5d3fou k number for calcium 39 are 20 and 39, respectively. How many protons are -/odz j/o5nu7g 3filkin 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 calciuy:5dpxnt 1*iw9f2q b5jx*mtc t87 pldm 39 are 20 and 39, respectively. How many neutrons are in18jq9m t5i2 wp5*c tt*xfy7lnpd: x bd 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,28 ;vf6r u7fqv t9beqo 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 comzrq)fp0 /cq ;8f :f4z)xhxthe 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 isotuo n5,dyf- zn-ope 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 eal b(vm(33 shbnergy 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 proto:5mj30j xn rdhn 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 th 3o680bvfg 3r 5axmfrqrough alpha decay. Its atomic number is no568 r0oqxb3f3 vm arfgw

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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 proton 8k apt:qy/:xns and 249 nucleons. If it undergoes alpha decay, what are the number of protons and neutra n/tk:qxy:p8ons, 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 dec0xtf:myav dtt*s :(y;*vjb b7ays to a nitrogen-14 nucleus 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 m(t;tyv0vabd:7*:mjbt s * xfyass 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 undls 2 edmnw 3x obu(n8w+gl(05gergoes $b-$ 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 dkgz1 2w6q6(l, ekzhea material is 45 years, how much will be left after 100 years? ew 66,h2zldz 1keqgk(

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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.2d* *pmoc mz4,briuat an atom will decay this year if its half-life is 24ri,d*4b2mop*. mzcu o 7 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 wafvj;: d ux i-tp) e5,f1t9elhms 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-life of 10 min. What fraction of the y 2p,1vexlml53ln u h)sample is left after 40 ,y2 ep1lm5 ) v3nlhuxlmin?

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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 xrwei7y2 uu04yn1 2yj8.0 days. How many iodine nuclei are jun2r wx 410ieyyuy72necessary to produce an activity 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 xn2,so im04u hhalf-life of 3.0 days has an initial activity of 4um0 ,sohnxi 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 carbo4c a8o psy8mo-ok05y3 ffd.m tn-14 measured in a piece of a wooden casket from an ancient burial site was found to produce 20 counts per minute from a g4-0fyfo3 op k 8sm5ty.ca8m odiven 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 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 takexght*y wg)2 gl). 7lcg $4.0 \times 10^{20} \; atoms$ 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-*n sc7cq9w me5 ocoo. $4.5 \; Ci$ 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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