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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 pd*-,nd xab s sc8mjof81l b,z*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 ise/hdwxv,/swc-lly2s q 4m r+8

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus cotpcp8p: kah u y00r0f7nsists 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 number o(s 3ekw*c s y6oofbp)/.ldm8nc;r6 tff

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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 determinedwxhvb yb (/soaj g1;:* 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 mass by A, and its /hb rjd3go 821xq9g epneutron number by N, which of the followid rejp bq8x3hg92o1 /gng 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 ncd5xps:j+hxl iq 10)x3y(d eyucleus, the atomic mass number of th ed(iq+ 3cp1x5xhxd 0sl):jyye 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 atom u)kjiuka: ;7pl)wa m 1(u0 zosis

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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 onq ej9ngy +m2+5t0qf tf 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 8u: 6 .t slf;0zichdleof neutrons are referred to as.f0;dct 8e:6 uzlli sh

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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 nuclei witvbldq( c)kw9s 9sa/)wh

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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 ip .ub y(a2gh/ps defined 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 nex:9 7acym9moikv,w 4 k;n ge3rutrons, the total mass of a stable nucleus exy,47 kki3c;v 9m9wgnom ra: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 stabl5r2 ima8v90xc )femd qe 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 byb4 1h8mid81jy gmn m7c-qs6nucleus 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 pi/3qjh6z xyh:w5xiu 7 er 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 pert di0c/) e6q*.6hm tqkagip1h0:qxdb nucleon

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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 s6ut/ e:. .i e3rfcwusltatements 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 electrosta: uoc496/bg uyfps ppjj ,.u7itic force, the nuclear force between adjacent protons in a nucljip9u: ufby.c g6/up7o4s,pjeus 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 penetrateg),k bh7/s b16 pndpxhwc0q6b g;hcb 9

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetratqj)ldrpchi s8.0v(wa o2p5 8ne

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratexwzkp 5i,-n0h

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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+5xhaqi 6 )isx 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 known asb ki.u mp:n:ax;r43p j

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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 attracted to ar31/ pzslo 0a 1 r.p4r)cgudya

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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 atomi0pw(x*01+d +idb(uyem ezesx c 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 is3t y)sxou n4k3 emitted from an unstable nucleus, the atomic mass number of the nucles3tuo43y )x nkus

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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 unstab8pb.m b 9se)anle nucleus, the atomic number of th.meb 8sn )9pabe 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 - Ma3e;ghuhq, 1xos(, jru) 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 a)froymc xq3g 4 w-pm.6s 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 unstablf:a171kj lkun1i z4vie 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 mjf 1q;2 8w 0x(gtw; tzh:ipadlost 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 ad:iv1m-qo5w ox: t8teh w83nu gdition to electric charge, energy, and momentum?:8wuwv 3m8q 1eo ho xtngit-:5

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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 hallma jn; 7d,1q4zsxv-rf-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 is often used. Th94lid u jlq/q7 4+6yce qup/bkis nucleus emits a single beta particle when it decays. iuqqdplk/9j4b7ey/q c 6u +4l 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 chargeds/nt1k;h1(i7jy.c a1 zezpa xj0n( hi 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 liquid hydrogen is aykxk,ba0 hh0 h:vm7 6x

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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 chambly+i , 6f*,icj0td.piejf;pf .co w8jers 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 number 6 has how many yt8b ( duvk m(52z) rzeuhi6i7protons?ik(u m8h 2 6erzi7u(vzyt5bd)

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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 miwt+ iq:czd8 5any neutron i8w5tz +qc:dis?

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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 2iq x8 spmssox7x+d35c,11c5 e cg tcf20 and 39, respectively. How many nucleons are in 7dio,5 g1c1 t spmcq sxf8ec5c+3s xx2one 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 masb*:j / ex,sjqos number for calcium 39 are 20 and 39, respectively. How many elecjoexsj*q b,:/trons 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, respective:37s*bth.w jc6leq/ l q+qp mely. How many protons are in one atoel6hc: t /7jwsqbqp3le*m .+qm?

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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, hk )w.7izup (:z+uzh yrespectively. How many neutrons +uip7kwz.zyhh)u( :zare 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 pf fz 2ltuh sg1,/ woxateu7:)y dm-y95rotons, 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 carbon-qehv9 l.lwnr c: 3h5k014 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 ofh0g*v9qwr wd wbc ,3.43zwrg7g eo,al 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 enekm-ij g ;xy,v)rgy 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 ;rwe9ga+ a to.;h5:t 9tk khclproton 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 8 4q(nmv1hlvud1:u ;:ryd,l qt3f bu4d 8 goes through alpha decay. Its atomic number is r4dm 1qfut vldd;uv4 1h,b y(n uq::3lnow

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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 p1efu5/g .oa 6zs,ko dalpha decay, what are the number of p.p oou zs,gd1k5/6aefrotons 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 deco7 : x5i0mnknyays to a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has :ny5n70 imxo ka 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 6 underg26v 2zog m4qznoes $b-$ 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 after 1)vz r/s 3) ltpghluh* j.;c5dy00 years?5ll;h g3rc)j )z v*yuh.dspt/

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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 x7(m7cm)n.7to tw6 wa zhztx2its half-life is 247 yeaxh) m7ttw7xa omz6w 7 c2zn(t.rs?

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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 certiq*b8nrg 8x-u. rrdi/ b g0z qk,-u*mcpfied 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 9fld fr)a(p+ta half-life of 10 min. What fraction of the sample is left af+tf9rf( lpda) ter 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 pz x8qat6 kfhv 197)uc5wq *jiis 8.0 days. How many iodine nuclei are necessary to produce an actiijwqp9 5cq1 hkz*687 vtaxfu) vity 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: vcq;*0 jwvj)i zk;k; pecz;n half-life of 3.0 days has an initial activity of zqcc pj;)z:vke0n;v;;i kwj *$0.24 \; Ci$. 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 i(nmp 8 dpdjyv2n+fg56 r(g q(cn a piece of a wooden casket from an ancient burial site was found to produce6p(8p fcn +g(2 dj5m(vygdnqr 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 jgvm7tj(e w0 dc *1g-cudu 52r$4.0 \times 10^{20} \; atoms$ 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 ,b j/y m2u kng*8xfvc*$4.5 \; Ci$ 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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