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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 py rvbfx/7 a,bs: ram2(articles has 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 5lo/xvs;gh0bvb3; s ww a 4et7is

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consisirrlp*9cq; x 1ts 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 determined by the num) ;ys7 i yfxiet/an*o1ber 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 hi: 8fl +ngs:zn;ewor3b m/m5number 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 mass by A, and its neutron iribw6 4 3zy;n -r,xmrnumber by N, which of the followinr-;wzxibm63y nir,4r g 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 un1jc .prvocm 8 pw .j0e57yb s6 :n(8gcc6eqzvjstable nucleus, the atomic mass number of the0 z:cwp 5pgcvj6e v6.qcsjj 8b1o(ncm ey.87r nucleus

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of proton sxd f48(pobeg (p)qw8s in 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 ,wc ,)ymw1 tw74o*kx,tp wb aunucleus 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 b.3ejc. ( ayizqut with different numbers of neutrons are referred to qi.zc e3 ay.(jas

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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 ham 11haoryy fj g i)pef+8(6e1dp y9vi1zrp -w1ve nuclei 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 defined eocb 0l8obqya (6 5e7kgppn9: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 sedvsnv,uj560 zm :i6 fbh2gud *parate protons and neutrons, the total mass of a u f*usvig2dh5:nbj m06v6, dzstable 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 stabl:erqko768 kqj e 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 nu4 fgv3ji ,; mjz8y5;cg ,twhrocleus 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 per2l j54w*r ;l hxh2n.rgice:lr 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 nuc5ent t+jjx0 r;3)sj +h; heusyleon

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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 b/ h512 jg 6drr.gzr7fois;(q kgb dk0is 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 adjacent protons jk;(3xs(gllxr ni o ir,s1e8:in a nu ,ljrx;rnkxig:os3 ( 1l (e8sicleus 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 penetrate* ms0a qy*k2guclm 6i3

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetratm* aos3-ia6 ztwqxm:bc0ifdv- +;o i1e

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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 q;w5vmym1o t+l9 juerf)o9/ekp o: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 alsl-dklypemdz1ap/38b//;j p d o known as

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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 knh1h+xje3gr 6de m2f0nown 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 willdn:h :l ww+j ,u0oao)u 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 atomic : mfh +x y4wr8xgm637wnnw0zhmass 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-ieb g j1)a)gg atomic mass number of tgig-g ea1jb ))he 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 nut(i fcjy0//nocleus, the atomic number of the nucleus/ t cj0ni/yo(f

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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.vmxoe 9 dv9z8 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 nearljfb(.j1t ,q thy 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 femab buvvx2u 10r((2 lrom an 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 m/wo9vo)b 8wg8r3r-xe eoyr-o ck. )ppass?

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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 e+s a,rwz(e3w value is conserved in addition to electric (e rwa,+se zw3charge, 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-lifj 25y qv8usm+le 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 oft 6jp-vyoyll*5 9t akxy pb8*6aen used. This nucleus emits a single beta particle when it decays. When this happens, the resulting *b8yjl9*y6l5k6 op yapvat-x 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 magnetd e.)d1 kpn8phic 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 k2g/r j5nwnu7 uses 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 beeg/-(zg+bbb+n fwixzih 1q 7w0n 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 m) b6f8 ks3nifdass number of 14 and atomic number 6 has how many protons?f) 8bksif3n 6d

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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 nus0mnkim+fw9g (kj z (vqlr*5)mber 6 has how many neutrons q mki59n+jz(m rf)vwl ksg*(0?

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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, re0btuo l3m *zgfr(u(gxrqne a24 y4 l3:spectively. How many nucleons are in one atoru(gqolx 3 m 0g:2f*4ynu r4tzbl ea(3m?

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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 are 20 and 39,i 50w2-um;r lqfe: swn respectively. How me wiqu m5r :s-fl;n20wany electrons 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 number for calcium 39 are 20 and 39, respectivel8lmbq4rxce 1 1,hs b zt((fmx2y. How many protons are in onlxxtbhm(1,( zqf42mbrse c 81e 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 forcm(b+0hvy :os9q+p50dz8jx jq7 gb r l calcium 39 are 20 and 39, respectively. How many ne qlg7+h:0+5bco zj8mrb 90( vyqdjx sputrons 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 ele+;404odzo*o;e h r3dhzu0 9pbsqa mw kctrons 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-14zpji/a9t 99e (e xvdf6 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(mln 9w,wuek5m n ;5kq number 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 ener 09y cxt29zpng00tt njzmjh68 8defe1gy 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 require/z 7gknzh3n,8- gkjrp d 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 goet4jkjw if7/0*w8xx rhcon 3, qs through alpha decay. Its atomic number isjn,4qw*rtw0 3 xji/ 7 cofxh8k now

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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 ecx4b4vagf.z5sufnc g5k 9 -7and 249 nucleons. If it undergoes alpha decay, what are the nue7x 54ubck v nf-.zf4acgs 5g9mber 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 tu0n9lma+xzhxzi2 w:v5 *e9 as4zpv/to a nitrogen-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 ulzt5* v:vx0xzi 92an4 se/hm pzaw+9mass 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 un quvp) *qkmu0.gla 00xdergoes $b-$ 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 be left aftx,kzif8dn4 uhg5( 6qc er 100 yearsxfnk(cz g 56,u4d8qh i?

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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 ato rsz76nf pm;(fm will decay this year if its half-life is 247 years?pf 6s;nm7z (fr

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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 atrtpm y)3a3qf/j 2xb m4 $10 \; \mu Ci$ 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 vv49 -vco. s)5q(aknwvn8lmtfraction of the sample is left aftent q)oskmc(4 vvlv5n-9 vwa .8r 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 8.0emuw ws 3f*;;6e28(mbx w tbwnufx8o8 days. How many iodine nuclei are necessary to produce fuw( ; f6;xewmtbsb3*28enuwmo8x w8 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-6p10dziteto6 l7x 8znlife of 3.0 days has an initial activity of 8 7ni1t6dzxz60ptloe $0.24 \; Ci$. 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 measure b ivhn6ezozv:f7j7x0* n1u5ad 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 carbon from a piece of living wood produced 160 couh70envnu:j1v ai5b *xo 76zfznts 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:b .4n(na9 dzhsvevuvl hhk .4ut0; 7y $4.0 \times 10^{20} \; atoms$ 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 take6pfz4 2wzis7u 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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