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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 haw -2ehpmkazbevw;p ;j 73n) u/s 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 i z lydx6na-a sr(u aqnkt(3*+9s

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consaowdmqfkx2/5 / *3a awists 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 s a e4/ov6cuh)7kr9za determined by 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. ;q-d 2dmhfq -d1 66bjxze2wi orjqna 9ym(w. 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 is7u69ot/ dt..ipuh psh given by Z, its atomic mass by A, and its neutron number by N,.t9phuph7/it od6 .us which of 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*cvnda2t js5b fbz00 / an unstable nucleus, the atomic mass number of the nuclv2bn0tazdb50j f/ *c seus

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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 iss6 fe 6 hh(wovew0+:qj

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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 l+tcerr zmf+mgrt 7+h5/l)k;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 difn8kl 0evw;2 x59ldxp6ok: dxmujn/g, ferent numbers of neutrons are referred td2;kjn/w:dlup6 xlgxvo k e09 8,m5xno 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 elemenkzj//z dc:it0vf2oa ( t 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 q)ox *li,(pm2kec5.v tfulu6is 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 neutrons, the total mass s yt (l9s2-nw7)q:u y xt9zoeqof a stable nucleu 2ye ():tzl7o -ytss 9nxw9qqus 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 st5zdr;h9za9tj able 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 con3 (hkinvupv fhjzb/; 40c :or-tributed 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 nu:81 oj. rndp)kd,zhmecleon 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 u.ayc zcl(:52(y. kvptmg (gzer 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 vn5.h0e3lt t 2bsn. omforce 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 between adjacen0vx si s-njje s7q+1,gt protons in nqv+x71eji ss-j0 sg ,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 penetrat.we hn4a6taa: +8iupse

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrate*x4l6+ vh/tteid6zcs6f9a1ltwq 8c8 tm hs 5m

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrate sx8ft*7nam:c

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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 knowxa .j(yw4;u.dnjkw89r 69 usbg xxw-ln 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 ast-oiq4bywyp0gz9-sa d+ cv,c dvn0wb-9:cv .

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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 atcvpyh)v8 w83 )g ix3httracted 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 atomic mass equal to /0zn0)sx ilsooz76 d cuoh7+n

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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 mjd3yrs19y)vd*p mn* c5cl y1nucleus, the atomic mass number ofp19nyljyc1 d*3 *rmcydvm)s 5 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 + .yje,k /d o*66qjro.smxxiatd k2 +tis emitted from an unstable nucleus, the atomic number of tj/j+oad*mkoxd, r6 xy qis+tke . t26.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 - Ma) hb+6: umx s;qmx 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 gamma ray?l1q(98ujo mab

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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 emv)sn:dvwzr7s2: p wj4itted 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 most0 dhc*w6 :)x-6ew nndb tql-v22kptct 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 conservs0pin-m0rh z9)euwt1b5 psb3 ed in addition to electrep5sbu-nmtp1bs 0w9 rzh3)0 iic 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 ha/tzl1( zs jtzm9:u: iizrd98u lf-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 emits a singlphv- 6unmqcv9wte/24v6j. oe e beta particle when it decays. -u hojp9tevq 2v4e .v mncw6/6 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 c06 kmor )w(athharged 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 ij enr8 7(:5mt:ax l vx:6onmthydrogen 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 replacedvw /7 -q,ickxf 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 atomic number 6 has how mabm kt 7gloq3;m+;vm2u3aln-dny protonsq l+; 37mvml3bu-;2o kgdm tna?

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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 nmyu qp kn33uie/6 y4:fumber 6 has how many neutropqyuyu4e/3n:6 if3m kns?

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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 caugm 26 md: n7iuc(u5sflcium 39 are 20 and 39, respectively. How many nucleons are iudn m7uic2fsm (:g5u6n 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 c 5jnoij ,t,/sm pm42gpalcium 39 are 20 and 39, respectively. How many electrons are in one ato,, mmp52 n /tsgio4jjpm?

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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, respectivei1 x8xp:x 9lwszz* 8vbly. How many protons are in onpw8ls*zb 1i xxv :x8z9e 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 fgv +pghg *g:w, tlr1l1or calcium 39 are 20 and 39, respectively. How+w:tgg1 ,vlr*pl ghg1 many 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 prot phb3.spar/ s+ons, 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-14 nucleuu-gc+oxrv5 g52gfq)0, xb4 9 keevmdb s?

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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 4an m3j6cx fcqv q02k2number 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-e1tj 7;ptz;0f pvik ef $^4He$.

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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 oneu4g6k6h vtzirhi1m -dp.9e h7 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 de5)teuv+1w l 8a4e;iqr r tlg4ocay. Its atomic number is nv a)relg;e8wtiruo+44l5 1tqow

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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 l oz6+qn as-z9cmd19 nalpha decay, what are the number of protons and neutrons, respectively, nqz-s+ az9c9m 1lo6ndin 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 3t3*cfc q /klcdecays to a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is relea f/c3kl3t*c cqsed 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 6 underg9eq t5s ay3-ggysm2z 4oes $b-$ 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 willj m;ae 7np;)li be left after 100 years;;)jn7pl ima e?

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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 iqfw74a 2p :blets half-life is 247 7pf:alw2q4 eb 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 certfp .cd5g 4f7lvified 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 of the sampled 0 l,9kw*d l:aim)x4yuy j;fi is left after 40:fyw 9xl0ji d4kaid*um yl,;) 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-dpq6s3 c hxkk e,,a*h7137 is 8.0 days. How many iodine nuclei are necessary to produce an actis kpaxd6*3 ,cqeh,k7 hvity 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-laf/i2cckn cyvlh(5 ; (oe;;sqrjs( 9/wk dj0 sife of 3.0 days has an initial activity of fhn ;a/cl/0d; kor 9 s(jji5 (vkscy2(w;esqc$0.24 \; Ci$. 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-e1mco:9j.sl a6qz wjajb152l 14 measured in a piece of a wooden casket from an ancient burial sicm5je6 o1: j . b2asllw9qajz1te 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 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 dl9ra1 yq3lm.byn7o2$4.0 \times 10^{20} \; atoms$ 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;* pwi jbul9t-j:tjm7 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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当前第 题,此次习题练习共有 71 道题

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