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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 particles m 0*qw:lofcj 2-bygv2yaa3*hpcee; :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 idspi-+qqd)9 l 1s .3wi50 .szldqt gqm )5ctaks

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consists of2i,y qpbobtiu6/mq0k 7 woe;(

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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 numbev ,,z: zlafy;lma xdr 3d.b6j 5l;s-7r oy.tdsr 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 numbe0kh e05 91lcxv5 ll4)abmtoqfr is determined 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 neutron8xoy :uy:i,l7 u,phc n number by N, which of the following is correc:x:yphl 8c iny,u, uo7t?

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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 atomic mass number of 8m2t hzhy.4l uthe nhyhzt4.l 8 mu2ucleus

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of protonsa39jmt;8 x ycpjqka*/ffb7) l 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( logy)a95xze 9uh27bs nqzu6+cw -du 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 neutrons+oju(zkn3qyk+ud x +q 5+ p9sp are refo(s5pk9p yux+ jd 3+q+q+nuzk erred 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 hav nzh2m h;fkq-5w8 ycx-e 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 defi:a1o p0b ujk*dned 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 ;)h. ,jmx/ah6i lowh1w t(xeg total mass of a sta)exo xji .h6ww;tl1, hgam/h(ble 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 t yitf.00 najs0o form a stable 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 nucleus is co (a jc(l /4jgf2ow(gnxqn4 +jgntributed 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 nucleomm 0xpy26/2 cy5n0 yw tx3dnmvn 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 p(5rpgz /3grwn er 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 nuclear force is f 0cvfr *.r2rpzv2u; fqalse?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the electrovb4qm)n*i85et +x e sostatic force, the nuclear force between adjacent protons in v b etqmxo*ni8s+4)5 ea 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 penetrate2s:r: id2vh,bpxj d3w

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetra1 q* zlk6w5ln9bm(eebte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrqqf5v gz*o.zo) .uh c)ate

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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 known a,+nvh(xn qoz*i5czq 6x ch1f* s

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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 as wbdwfl*p*8t ruxr27:

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle wiopy)lsf jc pau4uj9:*01, h awuim 8k3ll 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*/no/-w0 1lzdx5am-fwiiv fy atomic 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 ehs-f k92 kc7;j0nntiwmitted from an unstable nucleus, the atomic mass number of th -7;nk kin029jschftwe 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 atomi9)wk d bpoy e5:xg,hu+c number of tgoed5yp9 uk+bw,xh: )he 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 -q*g t3uykznp :.9f6 3pti3utr 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 nearly the same as a gd ghm m0sii ,b(nfimkyb3ql (.u.9(k8 amma 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/w: cxg3 88uait0fo -i5ngpd t 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 e6w. qlvg g4qje5 5dcbu3, zm;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 5, 8v*benlchr conserved in addition to electric charge, energy, and momentum? * nl,8bv5hecr

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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 sub gdao 3 ;2o/buco,oz-8hftjl;stance 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 emits/- a,swu;.dh(ksr fd b a single beta particle ds/ hbsafu-w.(d r;k, when it decays. 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 magnet .axn n *wlobhhiyzhx f,-3-7o1.;maxic 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 uses liquid hydro;3o/s59c 1/u q-ty g s5-zv(zvgswe.eu lczvegen 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 chadaog /bvn0n2y 2;9qlxmbers 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 oxjyt*lsk1: ; cf 14 and atomic number 6 has how many protons?t*1lk xs y:jc;

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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/r59q qay,vp0: 5/cpuge sgra of 14 and atomic number 6 has how many neutron09cvqq /p 5:apgar5r/ u yge,ss?

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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, respectively. (.md tq9zipbup)fa 8) How many nucleons are if89 p(.ptq)zui )mdb an 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. Hj/l :mpsu lqe b;b7pgjaou* y,+6f15tow many electrons are q5ty,ub+elpp7 ajs fl/o mb6 *g;:uj1in 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 calyyr4;fk 1gzu*fus-m :gyc 7 5jcium 39 are 20 and 39, respectively. How manyy1ujffr k-:ugmsg; yz5 c7y4 * 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 antjcht.gex2 xkh1l:tc 6.4b 8h d 39, respectively. How many k tlbjh.c:x6e1x8 2gt 4ct.hhneutrons 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, ne 2 rgsv0jy.i*m )llbhmjj- z hw1p.10wutrons, 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 i 3fshwnu5c l*v-g3t/+1c12aj3f -odjpn ohby n the 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 3wg*b.sj (hr 9xzche) w: ;abfhas 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 energy o )/d axeru* ezjl)v+2hf $^4He$.

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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 removejjl e/w )t tn82dq.e2a 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 thrv pgrot2cbq,4sl:a5 -*he1wifv+nz /ough alpha decay. Its atomic number is ts*v z :lwbonr/+i 1 2qa- chf5vge4p,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 and 249 nucleons.m-ppk j t;bt-- If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daugh-;-m btk-pjtp ter 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-14 nucleus by beta decay. How muc s27r+tasuk wfxc.,owcl /9b2h energy (in MeV) is released if carbon-14 has a t kbr7 9usxlwfsc +2o.2wca/,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 umk3e9 (u)vvp u1kb;u rndergoes $b-$ 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 aftd mcw+l g-lna05+o4me er 100 years+5 mwge-mnldo0+al4c?

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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 willxbjyc7u2x7+ 6 tixxt(/ c xhh; decay this year if its half-life is 247 yeah77c(/j ch ;+uxyb xt26tixxxrs?

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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+8e4l8li qnrt f6fnla 7,7okg $10 \; \mu Ci$ 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 /50 gt 8kl zfdu7i;awmmin. What fraction of the sample is left a; f8z5mtu ldw/a g0i7kfter 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 radioactivj +nel ms:q7-ce iodine-137 is 8.0 days. How many iodine nuclei are necessary to produce an activity es:+-n 7cjmlq 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 a2 a8+vl u+wnub half-life of 3.0 days has an initial activity of 8+u+bnwl2uva $0.24 \; Ci$. 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 car,q; c/ jdw8sr 5mh a4m4mw+eisket 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 wouldrei5sa8q4d,cjhm 4 m;m wr /w+ 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 taffd)qdqavr 2/+(2xn nke $4.0 \times 10^{20} \; atoms$ 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 dx+lu44owc8ya-y x 7g $4.5 \; Ci$ 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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