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PRACTICE:Physics Unit30: Nuclear Physics and Radioactivity



 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( ned3a: 0(bdtz )o4xtsppm3o least mass?

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The mass of an atom iw b1cwtgd b p04fhw er92n 57j)sdt/8vs

Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The hydrogen nucleus r+ vhaos4;4;p zi vw6xconsists of

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An atom's atomic number is 47 tftud4 av (9y3okesdetermined by the number of

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An atom's mass number -cuqpo .ew z.0s4hy 4v g*jwb.is determined 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 ; vu0k ;kp-jtais given by Z, its atomic mass by A, and its neutron n ;;-0j pautkvkumber by N, 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 nucleus, the a4g5phce 3dly3r0a e ar pu)w.s2; f(trtomic mass number of the nucleus pruehr;sa f y r)l02gwc.3e34dap t(5

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of protons in an atom qs4mx r1o8dn0a(jr: jis

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  There is a limit to the size of a ex/bhjfe.;4 r stable nucleus because of

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Atoms with the same atomic numh * a3pbmo 9atc45tt6a 0d3usgber but with different numbers of neutrons are refeha5t63 p4g*3co da9msub tta0rred to as

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Isotopes of an element have nuclvp:qg + :p3y1 ecwo8f9zz me0dei with

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic mass unit is defined o+ , hvnhi1:wq/2izqkas

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Compared to the masses of its separate protons and neutrons, u8r l5n0hzt:g;dv s3zthe total mass of a stablev hdzs 0t8l3r;un:z g5 nucleus 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, e (;7vhif/cszw)fb-7qmhxuvlnx 4 92nnergy is

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy of a nucleus is contributed to pz 9hr4s5/.up wxrrg-

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy per nuc l0x6+errnj 0gleon is

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The binding energy per nuclew,)y ltqap ik0/oci(o/(/abuon

Correct Answer:    

Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which of the following statemypt; (jw9av7 h8ic 1gg2(vmrh ents 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 forl6s9.luedl l1k1 9k+h- ozcwyce between adjacent protons in a nucleus is zo+lek6h.kwy1l 9cu ds1l-l9

Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Alpha rays can penetratr73itp, qncsg 1m- 5cde

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Beta rays can penetratr igwgh/0*g,ae

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Gamma rays can penet n2fo)xk99 g mdgv)-zgrate

Correct Answer:    

Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An a particle is also known a3o.s36pi z*bcme f+2e ak5me ss

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A b- particle is also known a)3yrg nxvu8 q/s

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 knownt q*ds e: pz ,6rp/k8pkjby2n .i9yob5 as

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An alpha particle will be atbq,o5 yl ,jp1po6erv; :oc ()m+nbuhgtracted to a

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Alpha particles have an a.xvrp.yh muw 5fhadm47vq) ).tomic 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 unstab cl*lbv/y0g cgn-.mo+j-s )lile nucleus, the atomic mass number of theng-lmoc-bg yli)/v s.0+l j*c nucleus

Correct Answer:    

Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When an alpha particle is emitted from an unstabltrs0l;10i huge nucleus, the atomic number of tug ti;lr100 shhe nucleus

Correct Answer:    

Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The expression (MX - M73fs:l9xwatrre j.p 3fr77e 1qd(h kqY - Ma) x 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:    

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 nearly the same as a gaqu**t. msqjr( mma ray?

Correct Answer:    

Mark Problem
39#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a gamma ray is emitted from an unstablets r6do7p.h+j nucleus,

Correct Answer:    

Mark Problem
40#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Which particle has td2o k)m-1nvdk zn 2,k+pe z;dbj, a3oihe 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 ad5 l8yrix fewy2;m:plne8;cv :dition to elecp:;n iy lye2;8:rv8 5xmlefcwtric charge, energy, and momentum?

Correct Answer:    

Mark Problem
42#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What happens to the hun) prm72b+sualf-life 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, carbon-14 is often used. This nucleus emits a single ba- 9hsneaf g5qsv .i00eta particle when it decays. When this happen- 95aqsvg feih.0nas0s, 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 fielhb5tw cm::m ,bzb b,/md 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 1hiujgt/c d:yn:x7 +kthat uses 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 bubble cho/n .nu 8dod4pambers because

Correct Answer:    

Mark Problem
47#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic mass numbe+wx6o opt vb8i4+ (pcbr of 14 and atomic number 6 has how many protonc8t pv( 4o+xb+bo 6iwps?

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 6 r:(fyxg+ 9 -yj:qzqhmhas how many neutrons?:m yjhq +yqfz9-:rx (g

Correct Answer:    

Mark Problem
49#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The atomic number and mass number for calci,gy;hus+z,h. ph2us : t kqxv2um 39 are 20 and 39, respectively. How makzyu.q svp,h ,:hx2;ugs2h+tny nucleons are in one atom?

Correct Answer:    

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, respectivelytgrwkvhc , k5 :/i)mr6. How many electrons are im6ki5rc gtw: vr/k, h)n one atom?

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, isdoea9 h(.l4bp,h, jrespectively. How many pr(jh b9,soi4 e.al, dphotons 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, respectively. xz32h ki4a9d l How many neutrons a ladhk3924z xire in one atom?

Correct Answer:    

Mark Problem
53#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a 93 Nb nucleus, the number of pr.m7 *jk ihxws9otons, neutrons, and electrons is 41

Correct Answer:    

Mark Problem
54#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many protons are th) 32jl*iqqlcrere 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 isoto. -jv.urliniz h 2)mm9pe of mass number 32,

Correct Answer:    

Mark Problem
56#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Calculate the binding ekcze4mv 5h)r *nergy 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 pxdso m4j69c g4roton from $^9Be$?

Correct Answer:    

Mark Problem
58#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An element with atomic numbn)n;q 2xy7byr ,(i 6t unmumt+er 88 goes through alpha decay. Its atomic number is no);xn6uim( 7tb,qmrn y +tyn2uw

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 una,r)5tat ,c8t ex yu0vdergoes alpha decay, what are the number of protons and neett,y 5 c,arv x0uat)8utrons, 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 31f tfe4.m1zaup)fj q much energy (in f 3jfqpaefm.11 4uzt)MeV) is released 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 undergoe0i9z sbtxyvbyvn28g4 9fp.7ls $b-$ 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 45 evdp73 y7)mu5,iup f ryears, how much will be left after 100 years7 5)7duprypem fi3, uv?

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 its half-lw w3f2g:mjowln6bb06yd; ) gxkvx5s7ife is 247 yea 6bfxbl3w y:dxm2 ;jownwgg)kv6057srs?

Correct Answer:    

Mark Problem
65#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A Thallium source was certified at5 lcp1zvycp4qm(l-h lvv ;./ i $10 \; \mu Ci$ 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 fr9 d.vz+94asirm udwu,action of the sample is left after 40 miwm ru. +9id,a49uszd vn?

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. /*iv tg 4ey cp5mrol92ao* p,mHow many iodine nuclei are necessary to produce an acp,m9* 2cvo4p tloag 5 /eyrmi*tivity of $1.0 \; \mu Ci$?

Correct Answer:    

Mark Problem
68#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A radioactive substance with a half-life of 3.0 days has an initial actc+ga ghkchh* r6bp 511ivity of h5r gagpc6hckh+1 1*b$0.24 \; Ci$. 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 measured imp9,kb6 tu573fa9no lanhh:xn 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 ct3hhoa5 lf7x u,nab:p9mn 96karbon-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 q7p75j7x4 hun (jk jjh$4.0 \times 10^{20} \; atoms$ 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 tak* c ut7ukzr/+a3mei7 bbc69ple 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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