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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 partmj- p-57gcza nicles 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 isy9ox zlder;*fd2n :2w(dqo- g

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consistt8aux4ee3 l; mq61tt os 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 .6 .ff83kd9roqg w;bez( fol jwmh,7nof

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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 bys xotx : 1spyg)l9:a.5g. ndcq 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 neu8z -8ucw ek 0leyxl1lio s)8h a5,.ncmtron number by N, which oo8y l0)m1nu.5c w8 i xal8lsze hc-,kef 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 unstable nucleus, the *l2 so( 3gof7dkr j1swatomic mass number of th*2jdw oo(7lssf kg31re 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 i)w5m .qsn*cg xn 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 stable nucleus gc9 vqfj-7h ,obr/ak;,8t p tsbecause 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 atom.uf x xjaw-cc (e8*vg b5,u5wqic number but with different numbers of neutrons are referred x-af5cv u.w5 , cqe x(ugbj*8wto 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 have nuclei :lp1jawtxn (el7i g7-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 ayh4. xfvuwdq02*3 *iru dmg/dpo(i*zs

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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 mass of 2jdn9gt bqc:11au th5 a stabca95gu:j1dhn 1tq 2tb le 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 nucleus, a1:fx dj e0 /;f)9sgzlghf xn2energy 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 lwgnux:; d5y( 0c m4m:kp1naga nucleus 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 per nuc)rn c;s3;eh aeleon 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 n j4lq6my1;lkvt c :qb;ucleon

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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 fals q :obfas6 0:19xa3j hav;n apdkhvo-7e?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the electrosr*u33g3 t uykitatic force, the nuclear force between adjacent protons in a nucle*3tr 3ugy3iuk us 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 penetratesw8qj)3fcw95i4otn 7j hf u q2

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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 um,vm0ir)zho 6h,y2 mte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetr+0nlk l-79m n4:;9en hu jaxcb +bdakdate

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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 mb9)z( pe(xtps

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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 jbszb.srrr ,:50 /ew9 ;bn;a svpdek2known 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 qmkbf1x zr 56j0:e)zm 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 8 v h/jaq(7dagsc*/w4ny*dcg 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 emitted from an unstable nucleus, the atomi8m3isojiiye 5s**b f9 c mass numbseo3i8bify5m* s*9 j ier 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 b29 r-blx*+pb g o6:blfrhx8dfrom an unstable nucleus, the atomic number of the nu b2hoxpbx+gb* dl6:rr9-fb8 lcleus

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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 931q6cqhejb7 sms-;-k 5 b.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 at;h(k:pjlj 3yfl;mn4 s 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 fr1qc6 +udow/+hvv hdz6om 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 day t-k2 a*.hc jc+zz+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 additio5veo7jqw5 v2 3 tpgci-n to electric charge, energy, and momenpo5 gvvc-5wei 3t2jq 7tum?

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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 l(cti b5*l;uvas 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 5 fj *o,xbkfu6zzq c,- ne0y0jsingle beta particle when it decays. When this happens, the resulting nucleusojnbf yz60f5-xq, e*0,j uczk 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 detectorx1dkda, w*ln94 0kf pe that uses 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 uses liquid hydrogen is 8sw 7 2c5r/r5famlpax 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 cham6 5jvw t:mg4nfi (oyti.5w 8ngbers 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 8i9zd yuxb1 ugi:)po7 number 6 has how many protonbu7ip1 )yo9xzu8: digs?

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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 m7 y) n7(r 0ekoceb1ou6 has how many neutrobe) o7n ky1 0mrceo(7uns?

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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 a5/:7tkbuzbq cre 20 and 39, respectively. How many nucleons are in one atoq:bc7uk5 /zt bm?

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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 maswsc.8 .c qi naj +8kr:)1dldjts number for calcium 39 are 20 and 39, respectively. How many electrons are in kswj8a tc n:.1)q id8 dcr+l.jone 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, respe ibezxg4*llkdr ;(81a ctively. How many protoa8klz4*rd xlegi 1(b ;ns 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, respec3 : p pehfnu6 qldhf-i9i7m7b-tively. How many neutrons ar3inlqp96--pdmhbu 77:h f eife 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 electrons is 43lbsh*fgj 4kwojd wo;r7/:. h1

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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-14 nuux +s2 faq x/xu o8*c8ra:a,v );fftbecleus?

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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 m2f+pmlyc6 ff9z/yy*l ro8 bf 3ass 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 energyi m.;nw*hvh4up (m i+y 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 pio .tabzr f,05kl5rd -k6ysr+ roton 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 atom6 ku m(cp5xl6uat-8h eic number is no(cu6hte px8l - kmu6a5w

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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.wz)4sa; 6yyyi If it undergoes alpha decay, what are the number 6ys)4 zy;wyia 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 nitrogen-14 nucleus by beta decay. v3o6uohelr5 l9aq5:iHow much energuo9l6a53 vr:iql e5o hy (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 e us.r+r zb7i,*y-5.f rv-danb okgm26 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 materi u;k3o11 egxzpxrkvp0ny e y/fq98w1*al is 45 years, how much will be left after 100 years?3n8y k q /0wr 9u11v;x yegpfo*zkxpe1

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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 atcira:bw:/b z -om will decay this year if its half-life is 247 years?b:z-: /rbicaw

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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 aq/ 0 ;us;t/wvvupx-ent $10 \; \mu Ci$ 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 ocdkihunl) i+q(s r. /ss. -y5mf 10 min. What fraction of the sample is l5k/lmi-)r syh u q(.ssid n.+ceft 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 rad*:6f+w ;v y2ep/eoes asayqr:ioactive iodine-137 is 8.0 days. How many iodine nuclei are necessae w; /:aa s* s6eypr+:qvyef2ory to produce 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 a half-life of 3.0 days has an initial activity of oilg5k7xp8kw2jh s,,)hn5od k)oo75nxh8djig 2,pkwlsh ,5 $0.24 \; Ci$. 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 carb:u gll7e+hz/ don-14 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 couhledg +lz: u7/nts 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 tam fe8xp o9f)cxz1o7 *mke $4.0 \times 10^{20} \; atoms$ 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 mfz4d: v3 ygftmj+3af3l:gw+ $4.5 \; Ci$ 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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