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PRACTICE：Physics Unit30: Nuclear Physics and Radioactivity
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 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 ha,s y:zsd1ox,ws the least mass?

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of an atom is,d44gysh21rokp na -o

Correct Answer:    
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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The hydrogen nucleus conssn1ann; hvf5:ists 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 iwcmavh a ys7a ,68z;u)s determined 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 determined by theselj6t .tw 4:h number of

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If an atom's atomic number is giv;w . r6uknzz(zen by Z, its atomic mass by A, and its neutron number by N, n.; (w6uzzrkz which of the following is correct?

Correct Answer:    
Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a neutron is emitted from an unstable nu0p 5 eorq/alb c)uz3e8cleus, the atomic mass number of the nucleu 85pu0zo)la3cqb er/es

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of protons in an ati 3n 7n6 rozi)ns9u7qmom 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 nucle:g-4dwhagcpmb: r z-2 us because of

Correct Answer:    
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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Atoms with the same atomic number but with different numbers of neutg32hko -( dbrno4 6hsmrons are referrekhhs32n4om- o(b g6dr d 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 nucle x318+bb 9f ydzy ny;jia(-rxxn 0,ivci with

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic mass unit is d6x4owazk6v g*efined as

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Compared to the masses of its sepa :6o 5lylryg1t3o2i srrate protons and neutrons, the total mass of a stable nuclrrl23l 5io1g syyo t6:eus is always

Correct Answer:    
Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When nucleons join to form a stable nucleus m9tfc;x0mnpm*1v5 y v, energy is

Correct Answer:    
Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy of a nucleus i ygit0 fsg *9,+ ,gm(hxkxl,l7dbk2das contributed to

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy per nucw7wu1 fk czv 8l4ln8-wleon is

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy per nucleond-yef6om mi )klu 457z

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which of the following stattzq 4gyd9y2 ll0ene5 9ements concerning the nuclear force is false?

Correct Answer:    
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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Compared to the electrostatic force, the nuclear force between adcemb by9 g60t*jacent protons 96cmgt* b0yeb in a nucleus is

Correct Answer:    
Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Alpha rays can penetraev kpvis,-t+y4m 2zij.6;;e: zk mds fte

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Beta rays can penetratet gtoq4w z6;.e

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Gamma rays can penetra-bi;(t cy,ur gte

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An a particle is also 8 )dw x)xp4 7hhicea6l/-fmab known as

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A b- particle is alsiy*+p9 pq 5 iob*b:uy;vfia5po known 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 ue- x3hrgdx*4known as

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An alpha particle will be attracjpnawb0 d i4,)ted to a

Correct Answer:    
Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Alpha particles have an 61*+q eb)nxnmdb aqsvta) 8y)gujh f,)ga h7+atomic mass equal to

Correct Answer:    
Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When an alpha particle is emitted from an unstable nucleus, the atomic ma*5eempz :th rw2f08:pub 4 yduss number of the nu 5*ey:ur8zbwppht0efd2 mu4 : cleus

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 h+l 4vb -8vniyr lmw(b1xdmxa/)3 ,xig) jud)atomic number of the nucleus/ ybd bd ual1j+8xivhnmwrx-,i )lg )v()x3m4

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 ;ll5)1 zau gxaz6-dbxy,ys5m 931.5 represents

Correct Answer:    
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:    
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 near+ (hgd4q n0me+o zjrz0ly 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 em +euluo-inmp81t n i*)itted from an unstable nucleus,

Correct Answer:    
Mark Problem
40#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which particle has the most mlm ,wyw p uly m49)pqrr14.6wex*vh0 vass?

Correct Answer:    
Mark Problem
41#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In all three types of 1dlkvtww6., n radioactive decay, what value is conserved in addition to electric charge,vt, w1l k.wn6d energy, and momentum?

Correct Answer:    
Mark Problem
42#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What happens to the half-lifeg1m5pf3*x )1inwjcs o irf 2n4 of a radioactive substance as it decays?

Correct Answer:    
Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In radioactive dating, carup0f .68du vwva5 g/yibon-14 is often used. This nucleus emits a single beta part. w/av0i p6du vu5fgy8icle when it decays. When this happens, the resulting nucleus is

Correct Answer:    
Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The type of detector that uses a magnetic fief+y*vzifl2e4 r *gy.n qo*0 ck +ww+glld to curve charged particles is a

Correct Answer:    
Mark Problem
45#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The type of detector that ugi 8n.kd br;g)ses liquid hydrogen is a

Correct Answer:    
Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Cloud chambers have been replaced by bubkika .2 wud+2mble chambers because

Correct Answer:    
Mark Problem
47#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic mass number of 14 and atomic number 6 has how many :,q6mhxc 5gkz ge6n.y protongqx mgnz65k :y.,c6he s?

Correct Answer:    
Mark Problem
48#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic mass number of 14 and atomic number l0lg3cs;dd pt 93fir2 z3( fn pa:-wxy6 has how many neutrons?x(r0y:a9 l; pc 3dld-2z3 isngftpf3w

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 3pqx jhu0: t,n1jdb 4.zt50x*b2zcabp 9, respectively. How many nucleons are in one ato pzb01j za jtdxtcb ,uqxh.450pb*2 :nm?

Correct Answer:    
Mark Problem
50#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number andyf(febi9y5f5r bdi30 mass number for calcium 39 are 20 and 39, respectively. How many elff d i9yfri5 (yb3e05bectrons are in one atom?

Correct Answer:    
Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number and mass num 3gofo 6dj6x+rdt.)o1vslv 6l e3i1c hber for calcium 39 are 20 and 39, respectively. How3rl63tl io61dsvf6cx j)e odg o1+h.v many protons are in one atom?

Correct Answer:    
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 39, respecti efu:+uuql) v 2p sqqf;g,(k1avely. How many neutrons are in one at+qq sa12:,pf euv k uq)lu;(fgom?

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 el uo5+psn 4.jg 3kq ac7iy0.evfectrons is 41

Correct Answer:    
Mark Problem
54#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many protons are thl8b7pexc 31jaa v*0wuere in the carbon-14 nucleus?

Correct Answer:    
Mark Problem
55#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If an element of atomic number 15 has an isotope of mass number 32*r:q d7gus /)fy;hrsy,

Correct Answer:    
Mark Problem
56#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Calculate the binding enz;:mt/ztib( 1f :a cyuw+3vqdergy of $^4He$.

Correct Answer:    
Mark Problem
57#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How much energy is required to remove one prototbwv)3fed( zdno : s5/n from $^9Be$?

Correct Answer:    
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Mark Problem
58#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic number 88 goes through alpha decay. Its:l+l jrp+g dvy.3q;ur atomic number is now+pr+qv gy3u; l:.rj ld

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 undergnftq8xy6i) +koes alpha decay, what are the number of protons and neu+nxyti q 6k8f)trons, 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 decay0ib(z un16t:y)rpgn ltor7 f 29wr-bw. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 ut 9n6r frnywt7gb( )biz:1o0 rp 2w-ul 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 (.f.v xmjoalhbj 16g6undergoes $b-$ 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 material is b2 9(l,yp,ou e hp;ukkhv( -30vqohp b45 years, how much will be left after 100 yearsbqh 9,ou 3pv0 kpo((vl hyb;,2ukph-e?

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 ipd)479xy tp bwts half-life is 247)yt d9pb47wp x years?

Correct Answer:    
Mark Problem
65#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A Thallium source was certified at 4fk4okn; y5lfqa:9ip+ 5xsgd $10 \; \mu Ci$ 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. What fraction ur v/ phx,x2l sn b5c4z09q;kqof the sample is left aqlxs 42x9 pq5cu/kb0nrv, z;hfter 40 min?

Correct Answer:    
Mark Problem
67#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The half-life of radioactive iodine-137 is 8.0 days. How many iodine nuc9ui97javots - lei are necessary to produce an activityati 9u-9 o7sjv of $1.0 \; \mu Ci$?

Correct Answer:    
Mark Problem
68#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A radioactive substance w .1 /r0ghh.on/g(y9ubuc2ix:fx p bahqucz; /ith a half-life of 3.0 days has an initial activity of z1onhxaui.bhu / / b.c2/pqgr uy (h0c g9f:;x$0.24 \; Ci$. 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 to carbon-14 measuhir u2a, 67sme,i (tq/q 4ysktred 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 piece of living wood produced 160 counts per minute. The half-life of crsikuyqm/s, t, 7 t4e h6i(2aqarbon-14, a beta emitter, is 5730 years. Thus we would estimate the age of the artifact to be about

Correct Answer:    
Mark Problem
70#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How long would it take twu7 lu(ed36/p.s q sj$4.0 \times 10^{20} \; atoms$ to decay to $1.0 \times 10^{19} \; atoms$ if their half-life was 14.7 years?

Correct Answer:    
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Mark Problem
71#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How long will it take a6.1l0 p4z wyk wpmzi/0tcx3lob7 zws( $4.5 \; Ci$ 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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