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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 hu0-t / pgnrq,pas the 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 is,:cy g;fxk ho:

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consi5ofrh)zhjc(cdw /erx9s 415p sts 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 numb ea-p g3eg kkbpup+,;2er 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 determined by the numxjs1m4gp 6)i 7veuq+c c8f h+uber 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, itsp)6g4m/ n/ etw 4nhmbi atomic mass by A, and its neutron number by N, which of the following is correc hmi/m)npbw4n/teg 46t?

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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 an0l 1-0* yolgdp jnny2z unstable nucleus, the atomic mass number of the n y0j*gnz pyn0o1l l-d2ucleus

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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 atx43 sewmgt49.fcx a4tom 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 thejbf(x0 ,l qy0 (i+qiao size of a stable 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 number but with d okp3 aek(u a:sj.8n8uifferent numbers of neutrons are ref8 3 an (uaueso:.jkkp8erred 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 nuc vcn p5be5g)jr 65qad9lei 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 is defilw1. ps( zfy: wb2p0c8s0xay uned 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, - jq)g7tw*a ,bgefgb) the total mass of a se tgq fjg)*a 7g)b-bw,table nucleus is always

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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 form a stablep9ulsoa:. 6 xl 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 ca 8jea2fpl tc5j ()1naontributed 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 is o15jxkyc; 1: e.8cjwdaf6jom

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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 nucuusj qw1 q8pbbs-00 q8leon

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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 concerning the nuclear force isjt ,: apfjz5k. z1vln8 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 forcj7 dqvmc+ 52zue, the nuclear force between adjacent protons in jvqmz72+uc5 d a 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 penetratefrj4 2y 1f)nz8tr vja/x/4)ddbwg 3hx

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetram9wz9f89los4 ,n2edd6osy oate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrate )rbgf.ke(fk4ec/f *s;s5yk j

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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 asb1r52 orbkn,b

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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 kno eclf leyk 4230wk,zw-wn 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 attrls, ttd+jh d69 as*z 0u;t frf7g+z35u4bkn olacted 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 mapa5+89c 8r sugqtjy86ao2yo tlmjx 00k-niy * ss 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 unstable nucleus, the atomic mass numjs2;7 nt+4o dt7ahfn lber of the nucleuh dos 7 f+n2t;a7tn4jls

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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 nuk3 o o) :s(gxbvfo(b-lcleus, the atomic number of the nucleus lskbf( o go)xo3bv-(:

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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 - .s 0-o xtcgxkj,lp6k. 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 following is most nearly the same as a 5l6 nl ecpm c:h6i(l2jgamma 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 an unstable nucle 1yrg77ey klj6us,

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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 moj/u g77ore; omkr6tk 4st 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 of radioactive decay, what value is p*o0ilr+ ot7j7m jgs, conserved in addition to electric charge, enst7o+o7 jm0j*ripg,l ergy, 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 ha mkeu.vi-+ 7e1vxd ,r6b4to eolf-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 nsaa) 4br +)yv1uzif0is often used. This nucleus emits a single beta particle when it decays. W1+s a0i y)vnf z)rba4uhen 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 toao l7uc2a m4wz/w8mcl5 cso44n aywgyi- 65-q 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 uses4* xmrhbz1nmo; (- 7yq jkya5 le25are liquid hydrogen is 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 bub1 )d0yv7e em7yb*7kgqiq i x/xble 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 atom)br /b iijq*wn h-m7a2ic number 6 has how many protonb) r/ *i h-abn2jw7mqis?

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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 andld0ibv5gkbn 9a l0w8: atomic number 6 has how many neutrons?bn8l w0ib:9alv05gkd

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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 gj;8 7finv)* c2 nh4regwg 4mmcalcium 39 are 20 and 39, respectively. How mggnw; cnigv424m7* h )me jfr8any 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 ca6rn8u np;8q45wj a ytolcium 39 are 20 and 39, respectively. How many electrons wu;6rn 58oy4n pa8qj tare 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 mass number for iwa,+;6 yrjrbwg 2fse) 5b7jocalcium 39 are 20 and 39, respectively. How many protons are i5orw) j+;g, afy6bie7jrbs 2wn 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 numberz/tdg,dzy73 t for calcium 39 are 20 and 39, respectively. How many neutrons ar7d, z d3gty/tze 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 elect/w j1izgmmn;( r)bce 5rons 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 the carbon-14 nuclk9y3;s gs4s ahs (reg*eus?

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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 isotope of mass number 32,6 mlheg ,oq1b 7ybx1l r73pwsrs*3fb 4

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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.7l yvfi 6jq3y 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 proa*5sqbwt,nxbq8.9s7qq lu 5ston 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 88t0 v xghbwg c:i. 7a0kmoqa/-c83gkq)i kh. *a goes through alpha decay. Its atomic number is /0ga .7khqm x)ag*0cv 8k:.3w qo- igabitkhcnow

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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 alphnmk m8ivg5rv0 9 yzanz qa-1na/s: 43ba decay, what are the number of protons and neutq-a8nn4:m ns0k/barz y3g 9 v v15mizarons, 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 decay. How .g82h f.+ +a gkwwpm;fy)aw 6c hs,vbrmuch energy (in y,vm 8gp s ;+) frwkc 2af.h.6hg+wabwMeV) is released if carbon-14 has a mass of 14.003242 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 atomic 0ejx0rk - gqa7number 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 a material is 45 years, how much bup*z6 d8 rqv9will be left after 100 yearrd q*8vp9u b6zs?

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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 an atom will decay th*e e2,y/b i qei5me;iqis year if its half-life is 24eqiq i, yi;b5e/* em2e7 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 was certified 4ucaq3zfxd36( qo ;9yn y;s yyat $10 \; \mu Ci$ 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 h6iapgw dkw, ;rf -3l u-da26pgalf-life of 10 min. What fraction of the sample is left after 40 6a-wrgp3auif; p6lgw , -dd2kmin?

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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 nuclei a;4nk) 1g),x inl fx purva:y8wre necessary to produce an a,)la84x;y:nifxwu1v kr)png ctivity 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 days ha,ktao (q+ qg; n7lh*oes an initial activity of q;gnq l aok +(,o*t7eh$0.24 \; Ci$. 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-14 measured in a piece of a wooden casket fro:9 0nq7 ozie2b gh1bzzm an ancient buria9n:bez270g1zq ho b izl 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 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 take e* 3:2ik )kj(kr neq n5izm.ml$4.0 \times 10^{20} \; atoms$ 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 6ka 9z( lemtg.$4.5 \; Ci$ 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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