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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 particln7zk;:p, ssrces 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 i uglv2mh32i- zaf vm73tlo(8 ls

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consnfu k9p;lk.cdyg 0n59ists 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 uc,pujvq5 ;zs(2x3r uby 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 nbt ,y-+ fbv(az:)pwbi umber 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, kv+n 75blj0fq1.brwt its atomic mass by A, and its neutron number by N, whibtfn.kr b0v5w+ 1qlj7ch 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 un9im(ihta8n0st 1isj 4 stable nucleus, the atomic mass number of th1ntssit(4j i8a0mh i9e 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 protons in an ato:-t/e.o gcro:3 a;xzkopj8 ilm 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 s (tavh w8k)y;r1 w5labize 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 different numbers of neutronsu-r6c4yix qq)2c) vns are referreyv i )rc2x4-n)uqq6sc d 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 ha2bh/ tbcbg/p1.jnnf7b s+a x1ve 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 defiugyvtqk0m. k1f.j0n 1ned 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 ma6otlt -;hpf:-:nwdp- pv bg. bss of a6.l-tvo bgh- d:ppntwb-:;f p stable 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 stable nu0ysst pt:g35k cleus, 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 contribun6)um5i2 g7gl7zk3i0 vjez4 5pf gxtvted 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 nucu b*l +6 +4xd(kdqzpxmg g*5szleon 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 nuclja0ygl9,e1- s 0 aemzqeon

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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 is fq /ut i eabi975xq0r 4foffh (3n8i,vnalse?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the electk 2l*ohfz2om+ rostatic force, the nuclear force between adjacent protons lk2h* oz+ omf2in 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 penetrate2b gew k2 jc),t7fh n;e,g)xokdn5f/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 penetra*,j w04webqpw igs28 kte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrac8 e.g, xzkr/r-1vgkwte

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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 known4/st 8kv3* rjyh;:wd j4fncrc 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 k+x s3wx hgc 8ja-6zp*1ad*n ninown 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 wi y pf.2i( 4uvhwyv fppkjc-f. r,(ku4,ll 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 mass equal toi /+ u0u,rryc )u-5u.hfey j3cg/wbmo

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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 aj z6ck b,eovy-ih5s:lyxjk z8//n6x *6giqa2 tomic mass number ofv6,*kiy ix ghj2z -6q6 bys8czex/j 5 k:loa/n 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 unst+ ivb7 aiqdb .zb*e41nable nucleus, the atomic number of the4dbq1.ni abbei*z 7v+ 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 931vfhr+dyv75d + .zuq(h.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 mos8qd;m6mv *,acwqa n3 ft 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 emitteb8-p1pta .fl cg+khp65cb lelg/. *u;oj;so ed from 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 massgos*:kt+v4z oyp w8*u ?

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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 coar/a t4 d./p sh5dwwr k3cda+4nserved in addition to electricwrda /4 t.r dk /a+ds4cwpha53 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 radioactive substance as it dhxtb13j9 xzg9 ecays?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In radioactive dating, carboned 7dz v oe97e e+5it)nl+tj)g 4xbaz(-14 is often used. This nucleus emits a single beta particle when it decays. When this happens, the resultinge7tzea +tn 5d4vd 97j)(bo)exli+gze 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 chkmc/9g d2bkj)arged 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 thaggm ge -rdlpok1lj2(; ctw+:. t 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 been replace)d4hq qj1*oi- jul+ ngd 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 numb: 6u(jgsivx8iqk2 j, zqc) 2gler of 14 and atomic number 6 has how many protonsi, )(zuvs glcj 6q:2 xjkqg28i?

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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 kf qwe(bp/wd ++zhd:+ many neutronzp+w+bhw+kdqf:/ e( d s?

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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 5j wrg4; ve 7g3dje.fm,kd/ pdfor calcium 39 are 20 and 39, respectively. How many nucleons arep. g gmjder3wjvk,def4 /57; d 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 calcium t 0b1,4 lvdo/unnvi (l-zu:sd39 are 20 and 39, respectively. How many enb/sdl-0v dn zil ouv,4( :1tulectrons 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 a177zbx)j jnvare 20 and 39, respectively. How many protons bnazv x771jj )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 nd; ot zyxhe48,tel a3owu1-w 3umber for calcium 39 are 20 and 39, respectively. How many -o3aywz wo83et,; edtl1hx4uneutrons 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 e2zi dztmge 4x q*5*u2wg*oa;wlectrons 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 xz/dk rgg3w8*xqi +(/l :aaw1ygc)m vthe carbon-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 isotz :o;hqvpbb(5 ope 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 eneueuglyr ; j0gxe2 (9*yrgy 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 proto;f o1ci wbn*6,vpps1d 3n4i dn2wa* nsn 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 number ikjbf( wa1qbwc05l k9(s nowwa (l1bjkb59 (fc w0qk

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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 nucfeexdgsw *3 y frf,8;crad /*.leons. If it undergoes alpha decay, what are the number of protons and neutrons, resp3,ys8 fwgdrxef.;* f rc*a/deectively, 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-14vzf,( 7ci 2xtu7qrnl6wn;y0c nucleus by beta decay. How much energy7qnynr,; uicvz6x0(2w c7l t f (in MeV) 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 number 6m5v z9g*-vau.wob9ifa(qi m 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 will be leftxp2lrt) *xtcf m+wn:s1w/1gh after 100 yearssmrtc 12hwn 1x/g+:wxft)*pl?

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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 h 9clmt)mh9bz 6alf-life is 24h6t9) bml9cmz7 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 cqeu979ce d(tu3ts8f wertified 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 10 mi0q n 5s v*rcdki/d/*aj ugn2+jn. What fraction of the sample is l/ q*dd/ju* 0 gvankns2+ic5 rjeft 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 d7 6n7*yu 3v9dtz tmqgiodine-137 is 8.0 days. How many iodine nuclei are necessary to product6 n9dy 7tzd*3uv7mqg e 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 l sk :p * in8dkbq*7gi.ilt65rwith a half-life of 3.0 days has an initial activity of i:it5q6.ibp 87*s knl*r lkg d$0.24 \; Ci$. 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-1ia0ge . 4p824hucnrhg 4 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 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 estimpg 2a4gre.c hu in0h48ate 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 hyb2 ctnj*l 9 +cm, mhebo(m5p9 jug1,$4.0 \times 10^{20} \; atoms$ 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 takyufc 7vwbj9uw4xj;mg;-k34n uk3 7u se 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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