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PRACTICE：Physics Unit30: Nuclear Physics and Radioactivity
本Practice来源于https://webassign.org，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 329 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://webassign.org/test329.html
 Author: physics    Total Marks: 71 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月01日 14:16  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which of the atomic particles has the , o ze(qd oijcp9x-mn7;tk9k ,least mass?

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of an atom bd6+ii )9cy-t6b z kivis

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The hydrogen nucleus bbx 8gwetl/*f p:9n cuy 9b9-qconsists of

Correct Answer:    
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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An atom's atomic number is determineda;( gj(if zvf1 by the number of

Correct Answer:    
Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An atom's mass number is dw vl)ly,1jr)f4)mck ietermined by the number of

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If an atom's atomic number (s6 l(bx3:uln w n1 q*n(pixaeis given by Z, its atomic mass by A, and its neutron number by N, which of the following is correctibx :l(qn6le( 1swnux3*n(pa?

Correct Answer:    
Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a neutron is emitted from an unstable )-fucu+l j/-zemu5h r c38difg 8lt9( whtj, nnucleus, the atomic mass number of the nucleu)uh8t3 r9fwll c-u+g/m e-uj,jh(8z ft5idncs

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of protons in m;(7 gqatoiwx8h8i0jy o4pq 6ig.s/ ban atom is

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  There is a limit to the size of a stable nucleus bec hb 2ue2;o t xg)1az*boi5 b1k9kzct0mause of

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Atoms with the same atomic number but wi(7sfi.5uxjajr e+e c+th different numbers of neutrons are referre + ca.eiujesj(57r +xfd to as

Correct Answer:    
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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Isotopes of an element have nuf.ss( dm rfht w0i3gm o6:;qo,clei with

Correct Answer:    
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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic mass unit is dedo5rmtr;nh (1ki l a0f(e 6hq:a.(hy kfined as

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Compared to the masses of iyf2w g2f*u8 vd9 x-;spe/zqv vt/f0tqts separate protons and neutrons, the total mass of a stable nucw 2eqd*xgff;u v 0-tqts2 v/8f/z y9pvleus is always

Correct Answer:    
Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When nucleons join to form a stableku4*s)jv .nmx chnyhgm,ra88(9:x lw nucleus, energy is

Correct Answer:    
Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy of a nucleus is contributed pgfco,r5y8l dmd s.gg m28( p4to

Correct Answer:    
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Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy per nucleon 2e +1ancf*mmyis

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy per .wg ietgu)74* fxq t j-az4f4 hhpl3*fnucleon

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which of the followin2 9 odk.ncu6 am6qij3wg statements concerning the nuclear force is false?

Correct Answer:    
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Compared to the electrostatic force, the nuclear force bet6/4:ctp n1 swi.fgww eween adjacent protons in a nucleu .geiw n: 4wfpc6/tsw1s is

Correct Answer:    
Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Alpha rays can penetraqn+l v7 4ju9h5rij qt)te

Correct Answer:    
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Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Beta rays can penetrar; n96sod1 wwp,tg0dh te

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Gamma rays can penetratey5(gwz.;q8sp6k b57hlaba w f

Correct Answer:    
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Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An a particle is also known bf2 dp1erku7/ as

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A b- particle is also knownkhijof5,*ng3 ji p . k/ro.l2j as

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A $b+$ particle is also known as

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A gamma ray is also known ai :t:roem:3k yf/qc f2s

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An alpha particle will ,xh - vzb8gi3:t-slfuno j4c7be attracted to a

Correct Answer:    
Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Alpha particles have an atomic mass equivb:jhcn . f aqn1cyadasr) 5bdnz04 . 9sw+-8al to

Correct Answer:    
Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When an alpha particle is emitted from an unstabled,y wz8 (-*dbs9v pi f5o*u tkuwufc)9 nucleus, the atomic mass number5d*9bswd ztwoy) fcpfuu*u-, 9(ik8 v of the nucleus

Correct Answer:    
Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When an alpha particle is emitted from an unstable nucleus, the atomic number obza.i5 df1 .8r; t sx3v,mwarmf the nucleu 3tmz ir;mbs.v,xr 5w. a1daf8s

Correct Answer:    
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Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The expression (MX - MY - Ma) x 93:/8h,vseo uxg3 , buvd1.5 represents

Correct Answer:    
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Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In beta decay

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  During $b+$ decay

Correct Answer:    
Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  During $b-$ decay

Correct Answer:    
Mark Problem
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a $b+$ particle is emitted from an unstable nucleus, the atomic number of the nucleus

Correct Answer:    
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Mark Problem
36#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a $b-$ particle is emitted from an unstable nucleus, the atomic number of the nucleus

Correct Answer:    
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Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a $b-$ particle is emitted from an unstable nucleus, the atomic mass number of the nucleus

Correct Answer:    
Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which of the following is most neargjjwj12 s5z +y-q l7gnw q7a,0 *zdjsaly the same as a gamma ray?

Correct Answer:    
Mark Problem
39#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a gamma ray is emitted from an unstab:hk ryaj p6l4:o +s3xzle nucleus,

Correct Answer:    
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Mark Problem
40#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which particle has t)e o y89ehorb g;x7ar b2ota32he most mass?

Correct Answer:    
Mark Problem
41#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In all three types of radioactive decay, what value is conserved in addie,cfn8j kutr.d,i*gg8/o*xr * f j/zn tion to electric chaf*kou jj/e grcn8n8tfr* d,g i/z*x.,rge, energy, and momentum?

Correct Answer:    
Mark Problem
42#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What happens to the half-life of a radioactive subst:xlvg6dae 4w. -dvm8l ance as it decays?

Correct Answer:    
Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In radioactive dating, carbon-14 is often used. This nucleus emits a single betzch23m;q e2hmk8 fcg61u.b sca particle when it decays. When this happens, the resulting nuclc1zsm8 u2he.2ch6m f;kbq3gc eus is

Correct Answer:    
Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The type of detector that uses a magnetic field to curve charged pcy1 ru34 6bclfarticles is a

Correct Answer:    
Mark Problem
45#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The type of detector that uses liquidb2/v;6a khcn. +qip1u k abvr-e;6) mt1ovrl s hydrogen is a

Correct Answer:    
Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Cloud chambers have bss jqe,v2:cg 0een replaced by bubble chambers because

Correct Answer:    
Mark Problem
47#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic m hp.b4x m5/ugtass number of 14 and atomic number 6 has how many protonsh .x5m/ btp4ug?

Correct Answer:    
Mark Problem
48#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic mrb9c 7 rda p2g)(srr ,coigg/d(e :f1jass number of 14 and atomic number 6 has how many neutrons?,bpcd sr27dg:ei argcf(rgr 91 j /()o

Correct Answer:    
Mark Problem
49#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number and mass number for calcium 39 are 20 and 39, res1d gyo gefn*/lmd3 7.kpectively. How manyfdg*.7/ onymld1ekg3 nucleons are in one atom?

Correct Answer:    
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Mark Problem
50#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number and mass number for calcium 39 are 20 and 39, respectivqr);oqydo a) -1; upoj*br:s9uw fic, ely. How many electrons are in one atom?c:,-j9;o) ysud*q abp wrr)iq1uofo;

Correct Answer:    
Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number and mass number for calcium 39 are 20 and 39, respectively;-gruy f;x6 zianlp7+. How many protons are in o;z+6a; ln-gyprux f 7ine atom?

Correct Answer:    
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Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number and mass number for calcium 39 are 20 and/z5iv c1max at9w.0 ar 39, respectively. How many neutrons are in one xcwa5 m ivz a/art.091atom?

Correct Answer:    
Mark Problem
53#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a 93 Nb nucleus, the number of protons, neutrons, and electronsldc2,g+s5sj,t)9 ntpqa 5wr o is 41

Correct Answer:    
Mark Problem
54#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many protons aremgumsyo1gv/0rv r 4x yow35;8 there in the carbon-14 nucleus?

Correct Answer:    
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Mark Problem
55#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If an element of atomic number 15 has an5w 6g6k1ikagv isotope of mass number 32,

Correct Answer:    
Mark Problem
56#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Calculate the binding energy of okud4me/d 0vd3 xbu3* $^4He$.

Correct Answer:    
Mark Problem
57#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How much energy is required to remove one proton fc g7+bp2tvayzd( 21f8r a4 oswrom $^9Be$?

Correct Answer:    
Mark Problem
58#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic number 88 goes through alpha decay. Its atomic nugxaircwvu5/wz,v 8 ,wwxn(; 6mber is u c ( g,wx8v/wrw;i,nxz65wva now

Correct Answer:    
Mark Problem
59#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An atom has 98 protons and 249 nucleons. If it undergoes alcuj ,fdmzx.ymt )8mq9sji+ *:g 8 ,ejgpha decay, what are the number of protons .i gz md:gc*,jfus j88y)+xj9tme, qm and neutrons, respectively, in the daughter nucleus?

Correct Answer:    
Mark Problem
60#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta decay. How much enerp9 krl+f; qb ;s,yisd5gy (in MeV) is release l ,dsqpr ;+fs;ibk9y5d if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074 u?

Correct Answer:    
Mark Problem
61#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic number 6 unc zlw;d3 przjzt/,i:)p*yevb3dz) 8h dergoes $b-$ decay. Its atomic number is now

Correct Answer:    
Mark Problem
62#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the half-life of a matervj v+lv52azb a)6w dl5l.sj8n ial is 45 years, how much will be left after 100 yearsz6lasnl8w +2vjvvj. )dab55l ?

Correct Answer:    
Mark Problem
63#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If $4.0 \times 10^{18} \; atoms$ decay with a half-life of 2.3 years, how many are remaining after 3.7 years?

Correct Answer:    
Mark Problem
64#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the probability that an atom will decay this year if i j0qf,j 9v,kflts half-life is 24fq,0,v jfjlk9 7 years?

Correct Answer:    
Mark Problem
65#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A Thallium source was certified ato.mw 1omk3xzo+qbe) ci k:)o5 $10 \; \mu Ci$ ten years ago. What is its activity now if the half-life is 3.7 years?

Correct Answer:    
Mark Problem
66#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A radioactive sample has a half-life of 10 min. p(*thb5s l/ -(ausxuj y ja(/eWhat fraction of the sample is left after 40 l5b/au(yes*xtj( jh pas- u/(min?

Correct Answer:    
Mark Problem
67#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The half-life of radioactive i9q2;vc dzh xrup2 8l;81gzzjtj0a e3xodine-137 is 8.0 days. How many iodine nuclei are necessary to produ ajct vu2 0831 28plzz9rx;;gjqxzdehce an activity of $1.0 \; \mu Ci$?

Correct Answer:    
Mark Problem
68#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A radioactive substanegp wj 37.,q4k9ztvikce with a half-life of 3.0 days has an initial activity of 9kkzp4veigj. t3q7,w $0.24 \; Ci$. What is its activity after 6.0 days?

Correct Answer:    
Mark Problem
69#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The radioactivity due 4 ny n5bi0rog8to carbon-14 measured in a 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 pie ynibrg8n 450oce 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

Correct Answer:    
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Mark Problem
70#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How long would it take vib9c;+ +4 fo/o tg)cs1dox ln$4.0 \times 10^{20} \; atoms$ to decay to $1.0 \times 10^{19} \; atoms$ if their half-life was 14.7 years?

Correct Answer:    
Mark Problem
71#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How long will it take g8fvuqz9 mg ;5g,oec1l. qtb3pj3oq:a $4.5 \; Ci$ sample of material to reach an activity level of $0.14 \; Ci$ if the half-life is 435 years?

Correct Answer:    
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    Total:71 mks Pass:42.6 mks Duration:Unlimited
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