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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 lemfky0vjn -jdqd3z1*38k wv.g+ky i ,iast 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 is te)bt2ljyj9 7

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consists oe u tnv6c36pma4:wsoy5:h9t ef

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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 det 7, ktbwytd.d ;ckj;q1ermined 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 determined by the number*uc7i oa ,z5ig 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, itb:5d(wwr+b g es atomic mass by A, and its neutron number by N, whiwbrbwg( +de5:ch 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 p r/0bd(:l,m+/;ja sabdx an-.o vwgpnucleus, the atomic mass number of the nucleuswl+p.bd/g j/(rov -dasamn p, b;ax0:

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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 ar.y.*vq)gh( g4xj wf wn atom 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 stable nuc0j3nx a5w8kw kk oivs,qr2x )+x b4i+mleus 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 differen-ud4jn.8a0 v xyr m(ebt numbers of neutrons are refb.d0(yea r n4-v8ju xmerred to 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 wict4eda8 - yop 1*9bgu cfv+.cfth

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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 is d0hxn;mdk kb.1 efined 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 mass -)pz.hyvvi. fxik/4i of a stable nucleus is al.h pf4)vx.-ivizk yi/ ways

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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 l )3ehr6 x5ngmc9x9dyuam74w 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 nucleus is cont*sf kh ,(ib3 7kemok..:izvbzributed 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 perb fpt 37izfc79kn/mhq:51xqj nucleon 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 nuckez(ov 84fb0k y z.i,fleon

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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 concer7a,-)ryi i;zx,ha-b qvdf6d y ning 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 electf,z vixg)s:9w rostatic force, the nuclear force between adjacent protons in vzf:i 9wg,s)xa nucleus 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 penetrat4(s)ly7afufuqz * *k25wlj q te

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrat/q- i7fs7 6xcih qi0s h8mawy9e

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetr4)bx: 5s zgki.tr r z:xm8jf,date

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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 known a*5ejjbepr4 2;f/ )pqc0fhui ks

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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 known a(b 3li pza h4c7-hno(ms

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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 as)rlbzqq e bef850xoy7+zo8 fww4pd bw*5 a ;)ttracted 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 ato,m9yn;vf22 k e6 uztyjmic mass equal 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 unstablezrjnf6 oe y3un0n 2-4d nucleus, the atomic mass numbefe6ozj ud42r yn3-nn 0r of the 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 atomic numbj.ue00taq(c 2:kwsb xv3 ((mla zq6sz er of the nuc0(2zj(.6v etzla 0qqmxbkw ca(3uss: leus

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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) x 9d/pq3 jws fltw55q:n onr*g-1 31.5 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 f f, q3/twu+gpmost 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 from iqs/hj ,h51 aean 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 most ma mx)nqf. x k*4myk*(k+1c mwloss?

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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, wh4ige z1rne;(+h9jpbn at value is conserved in addition to electric charge, energy, and moment zj n+bieer1pn9;4g(h um?

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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 half-life of a ra - fyj1 c)ya x.hb.atde.:43,sxr2nacx .qregdioactive 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. Thie h ca;6i*9l rwo1:pxrs nucleus emits a single beta particle when it decays. When this happens, the ia9o xpr; *lc:1erh6w 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 to4 uzo aq435fhu 0l-zot curve charged particles 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 is ai4vy;;lk, 0x hj3qz9zejiu ,d

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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 bubble chamber lm8ekc sd *s(:pmhje0o 79)ifs 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 andv6pkudc rm /.r7 ;+bjk atomic number 6 has how many protons?/cv 7jkk6+rdp;m. urb

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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 and atomic number 6 has how many neu 9dv0(xpt 4d iwt8mpuo0zbe+*tron +(pz pm*80xudt0e4dot bwv9 is?

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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 calciumxb4* c me1vpbf 2z4dmoj0 7a1(yk(bae 39 are 20 and 39, respectively. How many nu p*j f7vm((a 40dcxm4ez kba2byebo1 1cleons 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 fua * +7rupaein z5;j-mor calcium 39 are 20 and 39, respectively. How many electrons are in one atom?n- iu;jz* +are a5mu7p

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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 number 6d)cxm+ k+tlafor calcium 39 are 20 and 39, respectively. How kcd a+ x6m)+ltmany 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 anewkbo8sl p0)hqm3 9hb,e a8/2iwqtp*d 39, respectively. How many neutrons wt h ,qmb2plo k)8wsp8b93haeqe0i/*are 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 protons, neutrons, and electrons i:i:*pl z4x tuus 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 the carbon-14 nucleuw,yg6+i5lsl lo 8v-iis?

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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 9fem sbba9h ,.15 has an 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 of0uhu w,bz12uyww lx6:;x+tst yh k4+ o $^4He$.

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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 requzi4z ,mu g7dex tc70o d)lfwt;o0 1/hnired to 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 thropgq: 3r ythm)e*r/zv mn-*(h kjdp8 l5ugh alpha decay. Its atomic number is nld (/evzp- yn m)kgm3q :th*rh5r*8 jpow

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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 nucleons. If it undergoes alphav7mhhy3. 6dzw decay, what are the nyz6h7wh. v 3mdumber of protons and neutrons, 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 decays to a nitrogen-14 nucleus by beta d6f/ekn 4(dd acix xr56ecay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003245dcf(/x akex6idn 46r 2 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 atomicpu stj(sj;r2+ 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 hivozv1lo r /jcn9t6e8ig-** a material is 45 years, how much will be left after 100 year-*c v1 ojvohgi ein t6/lz98r*s?

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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 that 5 0kw;xkp- ho68+qb tbijl* xban atom will decay this year if its half-life is 247 yeaxx;bhp06ljq5*ob i kbtk+w8- rs?

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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 azymrqexmu2i(/ 6 .j 7pt $10 \; \mu Ci$ 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 sfw1. qle2dhcm,ic d 9:ample is l 9cqe1 ,dd.2wmil f:hceft after 40 min?

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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 8.0 days. How many iodine nebi ) pbkuh6qvw+ x.:,uclei are necessary to produce an aui, vb6 eh+:wbq.x)pkctivity 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 daya .0ovcgg5es - i5x,frs has an initial activity of c0xs5e5r vfgog -ia. ,$0.24 \; Ci$. 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-148bzd6n 6 u-jy*pxt 9qn 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 cyd x6bzqnp*jn9- 6t 8uarbon 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 tak v5-s y2hfg7 0qxlopi9e $4.0 \times 10^{20} \; atoms$ 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/m,zs,ucnyt,6 :41tl c jgie s a $4.5 \; Ci$ 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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