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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 particlee8 bixqe 7pxmgv8up :5722vwl s 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 isvzvw5ay ,ub,kpfh1gt;0k 6: m

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus co6taxt.w 7 :rpansists 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 t*6 ww1m(cghld he 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 number n - urgpwv2j-h7z0s5c 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 neutrc d70oxd2d38c gxm8ut kys2 5ron number by N, which of the followingct 822s xdg7k5cdm08odyu xr3 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, the m f 4o8j+ o9gwpw4ps+aatomic mass number of the nucle4o8+ 4s pwa g+wfmoj9pus

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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 ato8*i.mhcm+;cc ;sxrs) auuav :m 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 nucleus because ofjpl -yebpseg)rok.wj q 0,b*ot9 7/u/

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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 neutrons are rvzro ,oq l3*-khm5f. unr825wrmpm q,eferred to rp.l5hm q25*8,orzmm,n ofwu krq 3- vas

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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 wivj(aj3 p.k uzyf2s/:lth

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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 define):m5 c*q v4ups3 vtqbtd 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 sepac.3mwjqor , n-rate protons and neutrons, the total mass of a stable nucleor,cnjw3- q.mus 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 nuc3khd* idtlm/ 1leus, 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 i 8)w4bxq (ckgamzo6k/ n-qq1o s 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 perzjfk j+y p*uely+uc1wx 3 f96. 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 nucllbf ggm 21f9h4eon

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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 falsegb+.pev;u5i a ?

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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 6jaar a qm /a:a4u*8dmr8p 3zdin a n/pad*mq4 j ar:a ard3az86m8 uucleus 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 penetratj45o bv( 2g((/fdxin;qmq gb we

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrateqlik *pn (poq01uz6cl69 k.zr

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetr0r0bov-ef u* nate

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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 kn;j+ek kwt1b4 ho6u a a.niw,txouu+6 ,own 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 known7 2zg v1a;zcy 7,bytqh 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 attrajtff-x6y)6na n xsv 8 -kq1h6fcted 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 atos2 nk(k,w wak0;jpk.fmic 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 is emitted from an unstable nucleus, the atomic mat 4ldjosaf-bb2 oici ( 9d5y6)l8t3atss number of the nucleu9la-t24)8cadbi ol d3t65 ts iof ybj(s

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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 nucleuu dg 5/pgyg13ts, the atomic number of tp/1 u yt5gg3gdhe 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 r2 ,( vyklamf5g8s wgn4epresents

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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 samebxp7l-u k3aa whtf- 65 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 unrznzb 874vimrnq38 e vn cihe.27:-yvstable 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 mosf:tu1*( ta0h rbxt :sx)3dc dst 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 conwq lq * icl**.d0 7qiqapou.+c+uar;bserved in addition to electri .u *;*ci+ 7loiap qq q.ra0wqlduc*b+c 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 hkiy em6 tx:atgu8 d.7+alf-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. This nucleus e8(i,va) bh)xuziks(g7o5py cmits a single beta particle when it decagkz)u hv 5xop i)sbi( a,78c(yys. 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+2 8j8k5cs r5izy; wykg0 shng 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 liquid hydrogen ist.omg2 *8;sxx axzua3dda xj bl;x ))1 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 re:r7iof9ykhcx c3z s;ile 207v placed 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 atomiqn, -k jmj:0dmp rztc. y;5+tbc number 6 has how many protonst;jy0:kmqm +z5,r d pnt.- bjc?

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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 ztax9 d3gb-a; 6 has how many neutroxdaazt ;b3-g9 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 number for calcium 39 are 20 ans,jmeag 6) ii7d 39, respectively. How many nucleons are i,ag js7)6ei min 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 nubp / pqip/cvio9g(ij0y c.:q2mber for calcium 39 are 20 and 39, respectively. How mao .9iyp:bqj2/ gp qc(/ p0icivny 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, respect..5 j ql;dlp(dgd. zcdively. How many5d;d(lz dc. g l.jqd.p protons 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 number for calcium 39 .i;3ohz2/s ftj (q9 ybihk:zfare 20 and 39, respectively. How many nez2/f3q ;kfhotzs: y9 .(ii hbjutrons 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 electw*f e tq hrc)m(pg0/o8 og;)twrons 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 carbonfxf81g( :u)zk)mw 0rxc )qczzd ;*m rt-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 qk1yp4bfh) m9umber 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,p)r h2;2z2 ss7a pqqutfz 3.gwrqc(y $^4He$.

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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 req f-40wcgfgm 0g nc31;ta)nvk2aqe393 t ekmibuired 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 goeto 2gi8l*0 ztd tx/ tc5gys-3ks through alpha decay. Its atomic number is-0gcxsi tgtoztt23 5 k*/ly8d 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 r j 2+d/.q32qp wwsrvyand 249 nucleons. If it undergoes alpha decay, what are t v.qr+2pjr /w3 dywq2she 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 nitr fl gybo::6x a8l 7j/5 c.1qwqychimd+ogen-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 mass of 14.003074 yi1lbda6j:fc xmc.7gq: l /+5o wq8hyu?

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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 undergv)v m*-cz95f qrv2wu soes $b-$ 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 isv)2rc zh5an j6p:e1a l-wo1wk 45 years, how much will be left after 100 years?2k1:w v- 1 wl6hrznpaoaj 5ec)

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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 a5q2or0vjff : w: 1xiiytom will decay this year if its half-life is 24j 0viqwo ry2fi51f:x :7 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 certified at.n mvyh2xey35 $10 \; \mu Ci$ 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 fraction of the samz -qxu panp/l/ g/22 qby7 m1x./qg5tuyndzc) ple is left after 1xq7 x 2 dap ggb.u/nnt qmpqyzz)y u/2/-5/cl40 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 8.0 days.3lp ;ms11m3hyr xf 1ev How many iodine nuclei are necessary to produc1 31v 1xyemhr mp;3flse 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,38sguq2 pcivf.4qm k) vzu0y a half-life of 3.0 days has an initial activity of yzq .)m8v,4p3v uq0fc kgus2i$0.24 \; Ci$. 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 wooden*ljv 4g6lif5 p 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 estimate the age of p* 5jiv4 fgll6the 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 )5j,b rgtcx h+ut;u 7s$4.0 \times 10^{20} \; atoms$ 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 a8w x7mbb7xfi:/ ibxiz) 8g m3h $4.5 \; Ci$ 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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