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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 least 1z3ke4dv k u g-sw4n42iywv/bmass?

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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 1wi0,d8 tss/tu e-grfa3 yr2z

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus cp,r: i9glt si0loob ,73a(mhy onsists 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 number itain3+;go7 p1o;s 6+oh adivos 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 ,1 8 dvl ty7m0uypbq4dis determined by the number 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, its atomic me- y9a8fo-or fass by A, and its neutron numbe- a f8ooe9-fryr by N, which 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 nucleus,ct 4ph 6em:ydn8/.uab the atomic mass number of the nucleust:undep bc8h4/y6. a m

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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 buv3 b yj+da1hmb:c(,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(zb/6 jw3pq :5vveqfd 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 wi:zwl;cy46;+8ubw uztzmf18wpj x2 stth different numbers of neutrons are referred to 88u1; f2+jwutb: x4wzztzlw cmsp y6; 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 nuc6fe(ii,(kr fa lei 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 k-i8o04 tx exzdefined 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 neut8i98sfu6:o ik7 y yxtnrons, the total mass of a stable nucleus is alw:y7 iitx88 ys6k9no fuays

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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 stable nucleus, enu2tb/qjz x8kcu) s 9g7ergy 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 nuirggvo1+n 5/-02 oibiz 0yu ckcleus is contributed 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 nrjzn/8)btwn . iq a6i;ucleon 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 nk y ntl* mkxx1+m2hvl v/e3hg(//wk7bucleon

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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 concernialn * yzcqg i27xhb1,ha1 86lcng 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 electrostatic force, the nuclear force betd rfu7 8 *5ib*cabdur0ween adjacent protons in a nuclaf0dbri75* b*drcu u8eus 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 penetrvn4,uhj,nf)0 .mryc mate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrahy (mg4i))rru2.g8s iw )k*qt/ ratcfte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetr twq8:a *ago,w q-xwv.ate

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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 askxb*pughe24r/ut-u +

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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 jx p*o(4z dkk w.r+*e2kqrr 0iknown 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 io0+i; aod0r; 74ryg l)-qeyj +wiw mgattracted 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 mass pbiqc n l75j18equal 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, tbsl y1;ko u6;phe atomic mass number of the1p6k sbu yol;; 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 number ofxw q: ,bhfnj r,ta3t:- the nucle,t-rf::bhtjna q, wx3us

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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 931.5 represen3 cjyj/ )dreu/ts

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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 nearlytbs09 )pf0i5ao0khw j 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 an unstab(;b)o;0bk 9audx wy *fsi1 yccle 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 mostt2gf mdka6+p8 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 radioacsqfx9d(s c su.-0us 4e8ky 1mqtive decay, what value is conserved in addition to elect9 umedkyq 0s s4s(8qfc-1uxs.ric charge, energy, 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 half-life of a radioactixx8 )w f28kb2vhi(3lxjj c0 bfve 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. This nucleus d1isjpg6 )h1i emits a single beta particle when it dec 1igsi) jhd6p1ays. When 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 to curve charged paz 23o ok.m zw khchrss+l3y5odq;2o/9rticles 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 hydrobb;4flq+37 kmf,q,rzxkjub ( gen 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 ppb e9qr3/pmoo2u0 wps . 7ih*replaced by bubble 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 atomic nbmwpn,(3c2zy umber 6 has how many protonm2w p(3zby c,ns?

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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 massih 98kva,-i6 kl)8xzvhe ol 5n number of 14 and atomic number 6 has how many neutrokx a-vo5ke96li )88ln ziv,hh ns?

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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 sig 4 1wi)j8( lj)d1ddwa /grgnumber for calcium 39 are 20 and 39, respectively. How many nucleons are in onei) d/wgd(gilgwj r4ds) 11a8 j 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 an9nofynbdqk)g9 x h iz0;(v3 u:d mass number for calcium 39 are 20 and 39, respectively. How many electi9;yf bd3)zk q09 h:vonnxug( rons are 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 numbgu2 k16.xazyxv:twpi vf+0l;er for calcium 39 are 20 and 39, respectively. How many protons a iywv +kl0u6: .zv gtxaf2x;p1re 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 and 39, respective7zfv,q ct) tkain;.vo:lj1t( 7bs)july. How mal )f) kaitzc,v j.btsjuq7o(7t1v:n;ny neutrons 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 0)0s:qo y7aibfh p7 mgprotons, neutrons, and electrons 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 carbonc 41 1i.hvztwcp og7patme10- -14 nucleus?

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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 n l* gp4j;7.mipqqka) 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 enafx1lqro 3cdfk6- 4 d) krcrj2hj24mim /t))p ergy 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 requirz ko vne 5/sd,*k18w.o;xmsm zed 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 through alpha decay. Its atomic nl/csbf62a ma9ni9dv3g/f 7fpd 1t u:e umber is nowf dp:d lf t67//agec su v9a1m923ibnf

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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 undergoe7027r nwralt;fqst8y s alpha decay, what are tht w7l2aftn0q 8 s7rry;e number 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 betpq1g* omi9q x/fu-t3 ja decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a9pq13i*g uxtq-/of mj 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 number 6 undelc9/2bsg e a-prgoes $b-$ 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 4:ldnwg*7za3 v 5 years, how much will be left after 100 yearsvl:d gawn 37z*?

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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 this year if its half-life is 24ngm+; r9ec ;zw7 ;g ze;+mc9wrnyears?

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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 certified4 j* 0c0jpvshztub a iiw f/4c30dm7:y at $10 \; \mu Ci$ 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 123kw1dxp jwdzq w10oo j9fk,k9 )c ce,0 min. What fraction of the sample is left after 40 m0j 1 p2wwk1oqfk z kjd,x,cow)9e39cdin?

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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 nuclfng6cb 2s sm3h+,bc;pei are necesnh,6 b+ cg3cbp ;s2msfsary to produce an activity 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 has an initial asl/b*+ 83 pz;qk9mg5 jskllwv nge 9z6ctivity of k3 jsg9bvenl lpk9+/s 5mqzgz*w;68l$0.24 \; Ci$. 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 wood2rf*9dqak82a 9z lv zzen 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 carbon-14, a beta emitter, is 5730 years. Thus we would estima2kz*af9 zazl2q d8r9 vte 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 takej.p.loh-v *c i $4.0 \times 10^{20} \; atoms$ 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 takervmu9j s7tc8* 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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