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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 pa-vv(grw2y am34 ckl9h rticles 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 ia) :oft1*iou*bszqn 3s

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus81f 5yetcb 4gfl,px3b consists 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 ow3 (r 9f(/rva 1nqwayby 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 de /yoijozpqj5 3ux1 4g4 8h0nditermined 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 fw5z mi,gx;6 8;fsdt catomic mass by A, and its neutron number by N, which of the following fxgt wzf8cs;m5i ;d, 6is 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 unsg *u7qfh2k6u 9.pn+94hhq baep*ltoytable nucleus, the atomic mass number of the nehpuo*q4f7h2l9 h6g *qnkb 9 py+ua.t ucleus

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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 i ep8,ckee9ecm7 jovotn (0ly6 g) ;(zfs

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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 sile y/ooj/ga n0+9wxx gzf.y4+ze 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 differ4xmmil fd8 zsf29-1asent numbers of neutrons are referxfadfs-z98s4i lm2 1 mred 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 eleme) jdyed :dw0q4nt have 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 w2dnkmvk, u1lib t4r fpc/bw:w*i)92 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 sep:w /ttj gq, ssl3xhj8zeuu*.3arate protons and neutrons, the total mass of a stable nucleus is she.3tgtu,8x/wju 3zj*ql :s 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 n /(f-m 4e23hvuywdqfeucleus, 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 contribun5(d(7 :efsdfgrg h ,hted 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 nuclhaodf7h z*87pe,j2 pneon 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 pervr )(tw9.yrn j 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 statements concerning the nua3+ei *w,dg35 og zqtvclear 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 bh m-l j)fvi :7dki09hb7xr8cnetween adjacent protons -hbjk :v87rdn)l hcif09xmi7 in 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 penete euyobm3,2r.ny9 0nf lz2 0cc,m85k sddn7rprate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrd2hx/i dr(q:g ) pjz,sate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetz0m,xgo u-gs2vp +ykq un v55(rate

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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 k*i m8c3(pew x,m( q7tb,cyozonown 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 ay y zzl5 92wr y*)szx4e6mbm l.t6wn/es

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle wily;c(0gy3l urgyqg1isi 517e c l 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 atomido1 h;zhu jv. 0vs0bj*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 is em:yk4b5w(.or c+twcw witted from an unstable nucleus, the atomic mass numbec:t(5 wcwo wbry wk.+4r of 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 atzu9v4o p ulpi5j08bmwu9g1c1n q j5x5omic number of th mb w8ol55v gxiu0 9pzp951ucn4q1 ujje 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 -d2l-ju,u1.tc m 3fz sm MY - Ma) 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 nearl8 0wuw+ y7rikay 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 from an9lxckla+zcgxu/oj2it y7f 1 9z l *42v 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 modbnqgnyru6 2) zu ks( 8x7e19fst 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 itu3jur hx4plgwnr tneh.*vh:8. -h8 6 n addition to electric charge, energy, and momenurh 8 -. 8uejnw 3nh:glv4px *.th6rthtum?

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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 substanx w mg13tygbmz-1z0j 7ce 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 emitsmm5siq f:o8xrhe tz.b0,99 st a single beta particle when it decays. When this happens, the resulting nuclrzi 9e8ft: ommt,.qh5xs9b s0eus 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 usegid(.fgz 2c, js a magnetic 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 usesftt52 2zb5;-2kccog6lujl c z 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 replaced by bubble chav/t4 0m h (qpbfa ;c1dea5wqh+mbers 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 ato )6r;ie pyuc;rmic number 6 has how many protons?i6cru;; y)epr

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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 ;5v:7k p ubzrrui:;w,ru z 9 zrozlf+26 has how many neutrons?riz5 ;rrz79;b fu:vpz+zuk :w,2or lu

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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,em 2+(e7a4 s...m om tqqu.+zowbp oao respectively. How many nut.m+.maus.wpb mz oe4.q27oo qa+o(e cleons are 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 39 are 20 and 39, respectively. 8gru6x (uttdat-4sym6og t; ( How many electrons aretutor 4u(tx- 6(sagdgy6 mt8 ; 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 calllyhl du3 -rfj n,p o 5u;/;0zgx4ms(ccium 39 are 20 and 39, respectively. How manyfpu-;xl ,r5y ujl;0n34zm/lhs do(gc 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 are 20 and 39, respe18t , yo4niwqictively. How many wy1niti, 48qo 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 s-0a fw0um-5q+.j e)av rwucp protons, 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 carrh2bz7 jbj/ ,+z,jspubon-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 anx0, tdhs jh-s2 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 evr8w5 6ogx3 ctwaq9*x nergy 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 8z;hjn g(wg9oc iik53 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 through alpha decay. Its atomic n7pao)nwg m*1o7 s1 s/fx;4h v xl:eipqumber is nowei 7lx1 x*sshfavpg; o o47m w1qp/:)n

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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 d,wrl d v)(frz0ecay, what are the number of protons and neutrons, respectively, in the daug d zv0r,fw)r(lhter 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 nitwi*6 iz.98do5yd qpuh rogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogywp 8.huqd ozi*5 di69en-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 o)58x 16 e*jtkfqkxej6 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 leafr0y0sra8 .p ft after 100 year0sr 0.ar8 apyfs?

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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.3ev1x vc diu)alf-life is 247 yea dixuvec1v 3.)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+do h zaib*)82a8:p q, afrklb certified 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 min. What fraction 0z-rhu :djzb7,yia, nof the sample is left a,z,-hb:ruzjn ad iy 70fter 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 8.0 days. How many iodine nuclei /4: knb+a0 90pp -epppz crtqqare necessary to produce a-ncp e0k9bp pap+4qqt:/ zpr0n 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 dr fv5k: r0p0miays has an initial activity of rfv ipmkr0: 05$0.24 \; Ci$. 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 tx86 +izu/3l-rn e+n5 i7:fbvkg2 r s6hhcjuxof 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 lii7tv -+chb 8unh5zn/x:e r2ik663x f uj+lg rsving 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 takdo*c d yfeeb:u/*)l d6e $4.0 \times 10^{20} \; atoms$ 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 tak0roo u t-)sq(v8a2wb je 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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