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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 themc;4ek/ff(o sbl- y u5 u3vts6 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 m, 5u m)z*s3rtwwt*q5rhztf2

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consist)nej;7c1w onz.oije/s 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 is determine;0glawbdzzy+e eq *g2v1stop 0+ah78d 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 is9tv :k:)g 3huhde qn7m0x ,pws 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-87u nnk qm /1bkqk k2s3lhy.p Z, its atomic mass by A, and its neutron number by N, which of the following is correc q 7s3nhmk p.bkny2qk/k8ul -1t?

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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 emitt jkjtbn6ux85 /(sa 8yned from an unstable nucleus, the atomic mass number of the nucnx un8sjkbt865/ay j(leus

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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 ib t/,d afbl7(mh ( (ig*3uleapn an 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 nucleusr)y 66 ly; lz 8biurut*39grew 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 different numbet-lw2hxg9z 2fcjy h8azzz( +)rs of neutrons are referrw(z922hlzgczj8 a+zyx hf-)ted 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 jityee5*3qi/ ianj ,o3x ; u.wnuclei 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 defijjf/0akp. yy:zhc o4b)j +m-vned 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.e, ks+(n gdt )ya-due its separate protons and neutrons, the total mass of a stable nuc (as e-g+nd ,dy)te.kuleus 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 o k, +.m1lgb0b brp8z 9eg)mbja 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 contributed to1l/ 5 hfm9jlxq

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy pmt ;jj3+i6h5.beqh7 ewqh6 cmer 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 uez* m )ex/-ignucleon

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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 statem)jovj54o c8ad jbz.b.ents concerning 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 between adjae.tlif6 ,j1njcent protons in a nucleuje.6,1tli jn fs 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 penetrat9xfji f +c .egvi9)yk*e

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetratu6g wnqm6v3j. e

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetra4;iqw 7moyl)z 6-mltdte

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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 ae:lh ruh+ p,keq t/8-ys

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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 kn q/aw-a nm)dh,0 q(r:acdlme- own 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 wil2k b0aiukr*(dl be attracted 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 atuo/ xwkxs,nk7u. dm 3-omic 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 isc-t/ zg aem*6 gtke h-cau:7s:fm f++a emitted from an unstable nucleus, the atomic mass number /c-u *fa t- he:fz7ekgata m:+g6+cmsof 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 number o + bud;tnxah-3tqb:/vwa dhu341s:rw f th:t 1q w3dxbnvhu:-h4/ dsw+ a3; tarube nucleus

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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 rencpvrph i:cb; /o/ gn h)jaa-;(i s((epresents

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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 eymrlvs- e*e /n:-6sl 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 unote.gva*mpti 641 5jm2v xe9nstable 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 tfud+ltaz/qp 17iizs88 70ze b he most 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 conserved in addition to :wszpx 36 /gww 1ikhf*e1 xskg w*/wp3zhi :w6flectric 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-limeann/h(4g d /xzcrbhlj 5-;. l7mfx3fe 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 is often us) etra u8kuy0 d 6za0-wv8px0qed. This nucleus emits a single beta particle when it decays. When this happens, thez)x8k0wvqe0p 8y t6uu0rdaa- 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 maglxp+m;f j)mpmu w6+t5qf(r .vnetic field to 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 liq8.0* tj9szi1 fmv*-awfw tp +/e qihpgi2hs9ouid 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 bubble chambers b(jnezz, ,qgmfoj*y j 5(o;j 97ufder;ecause

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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 number 6 has h5loh),7te+w wso la n9ow many protons n+e 5)tls7a9wo,hwol?

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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 anf1 dp 7(s3tj thfv9.vnd atomic number 6 has how many neutrons?f v3vd7ts1t9n hp.f( j

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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 calcium 39 are 20 and 39, respectiven b .(bcv:ok e-5gb+svy20msvly. How many nucleons are in one aogsv0:ebb+b c-.2(v ymvs5nktom?

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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 calcium 39 u6qne/x au+4zare 20 and 39, respectively. How many electrons are in a4zqen/u+6xuone 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 caow 437jv sjzr/lcium 39 are 20 and 39, respectively. How many protons ar4wsorj37vj z/e 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 wojtfqw7 /0v;mass number for calcium 39 are 20 and 39, respectively. H/vw7jqo0; fwt ow many 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 protons, neutrons, and electrozsltso8.q( s*ns 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 nuh*-jh5zc5wo4w e/ omvcleus?

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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 mas+ jjlc.z0w -mr,o3rtfs 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 of jwfx ;2op ax5rf 5f))+j ozh -o.uc1mk$^4He$.

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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 requir1)457nzr l5yi/ h sktm k1e;iqd /vtd7 socw)red 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 througvc vi q4,ba ivg .3tieh56uf58h alpha decay. Its atomic number is neib6vhiv85u ai3.tcq4g , fv5ow

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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 alpha decay, wh3 ceadrf c7wokff0u8b6j.o6:k+y1b:lin4 iyat are the number of protons and neutrons, resper0aof 6o.ejnf87wc yc1 +bk4: k3buidfi6l:y ctively, 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 nito.cpd3wg+s tz12-;8. u*jfw cfpjzq urogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a massg83.us fo1jfp-cct*zwduz jp+2q . w; 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 under e 7r76mtwlb*gt+fr0 fgoes $b-$ 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 will /zcac,14cinal guao28 5 of 7nbmq 0*y//b avbbe left after 100 years?m 5/clbbcvu/q4afbgao1az,8 n0y i/no*a 72 c

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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-lifgd,bia3 ,sa1t e is 247 yeaaaid3 g,b,t1 srs?

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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 at 9gj+ 1nsfs)qf 1z8ov i$10 \; \mu Ci$ 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 m:vn( d mnajo78m3:o bgin. What fraction of the sample is left after 40 m8 m nj7oba3 :d(vmg:noin?

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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 rs* 8pncnj u92,t+yyb days. How many iodine nuclei are necessary to produ2yy*,snrutnpj8c 9 b+ce 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 auy+yzasi :;h6n initial activity of ua h:y+zy i;s6$0.24 \; Ci$. 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 carbo:bea f8c67+yps. /slkc1y b jju 5wz*msu1)w jn-14 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, wbs1jluf/w.y *+yumaj e) 1 6sc:k7czbp5swj8 hereas 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 tav+mh 111usub 3e;nmv kke $4.0 \times 10^{20} \; atoms$ 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 aijxm:ym n)h dhgfy7 0cr)g6a476v j2n $4.5 \; Ci$ 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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