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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 has the least mace4zi-r v 6aeuxr7*t1ss?

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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 iser6cup df9/ae/b ; (es

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consz ; )2ep0qb;dftojg8wists 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 determinede8 6 8pd(c b;gjho4ciz 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 is determined by+g ob k(tey1i- 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 atomic6uw88hd9x9mg3x y3pjm + ztxove-s3o mass by A, and its neutron numbemgy w8m96+p 3xov o he9x j3s8z-x3dutr by N, 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 an ew6kpjfi5/vk3 r2e p 4qw9cqaq*pf d +1qc1p 0unstable nucleus, the atomic mass number of the nucleueqp3*9i0 k 5 2d+wf/ epvj16rpawk qqccfpq41s

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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 :gih7qcqfc ;t8y1v e7an 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 stag 06+l(lp 4bmugco 7sa1kci( pble 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 diffek tn bsp 6ix)54o/3risrent numbers of neutrons are referrstsk5/o)ni4bp6r x i3 ed 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 have nucle vell-/ qap3bcloe1s(7z t8 t1i 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 definedga)b o )b:xt+-3asovd 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 separatr/56n6w g.hx0dsd 3h di1bxaa e protons and neutrons, the total mass of a stable nucleus is a.6 axdnw3gddi6 ha 5sxh/r0b1lways

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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 nug3 h,vpxl26 rh:egv d:/ 3hhkbaon.)*eeagh2cleus, 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, r/*gem6uxv/dh u7fw 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 n1+uro v8 -,w:bxqk uemib/,m kucleon 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 xx:ed cn8q659cml/l s 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 statemewev. n d2j-- *ir15qpizcwi1c+x2m iunts concerning the nuclear 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 electrostatiioo+7i4jd3n,b:fvr t fnywz 6 qe.w51c force, the nuclear force between adjacent protons i6ef4bfiz orn35 dto, q1wyni w7:jv +.n 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 penetratepeqombbb7+pz) xzhb2+9 chnl*j7o1 -

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrat+7y0tg :x hm ufncd4r3e

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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 a si bhq;pih37-(i8ztate

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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 hqvgno t:(ag+e-j22f v:odr( 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 kn)z7f p2j, z uslle:rnsd6q.-/d+qm4( m rjbzp own 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 willqfi;bj1w x/g: 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 atomic mass eqknjen -otz./ 7syhm/az ;h*w6 * wocg8ual 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 i6z gyg00 qza-an unstable nucleus, the atomic mass number of z0zg-0ygiq a6the 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 yu;n)zqje +ns7 i l4a(unstable nucleus, the atomic number of the nucl)y e4 7nzs ajq;i+lu(neus

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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) svaa3ssxe,o3x7( da8x 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 moswczb3jx;l8 p ,t nearly 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 an unstable nuc b uxj6mb2ptdx2 4uv wyt;p8q q3t6v77leus,

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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 vk) t/rd/n0px2;1jj fpxt x-imass?

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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 valuetyyz u0g+1z:uv:wsb5 q)cqs0 is conserved in addition to electric charge, energy, and mo:5:qs0 sgt1bzuy) 0wcu+qyzvmentum?

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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 substfna i6qzb;n0l*i 4c*3bdy1 wh ance 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, 7/p3m1qny oqxk8/urxcarbon-14 is often used. This nucleus emits a single beta part/1yko /qqn xm7xu83p ricle 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 mas;+ mltum2+ l0yr+uaq.fver 0t7wp)cgnetic 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 w o*ccpe 4k)t1t*hh:l uses 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 cha p)yr8i on0qp;k.tn /gmbers 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 many protvlsk5h u78z) -nk vm;aonsmv nzk alh7 5;vk)8us-?

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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 14dwc y; -a;+xha iz*7pau 8wz)v and atomic number 6 has how many neutrons-wp ya;adv 8w;ciz+ )a*zu7hx ?

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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 n rtyq*c 3;h+ hntcc)z,vwu9+ sumber for calcium 39 are 20 and 39, respectively. How many nucleons are in on;vctr w3s yh 9 qu)h+,n+czc*te 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 iwj6 qoy6 :pecd7 *+q h( vrgea-r8k8ccalcium 39 are 20 and 39, respectively. How many elee q*i jdegqw7 oky-pcvr866:r8hc(+a ctrons 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 numbel cj cjp0,:v.6b ) cnna8sl3lxr for calcium 39 are 20 and 39, respectively. Howpvsj )j .n06l 3c,xalccb :l8n many 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 +6folf9 cv v.k39 are 20 and 39, respectively. How many neut6 flf9+vokv c.rons 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 numbhdeg , v6la80ber of 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 ther;g/r ea1dhh 3he in 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 *67+k qxjnz+dv 8idjgk( /e fw,qfk8 g15 has 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 ek ,ef1 +1jb4h pfiq3knnergy 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 toirvt4x cz u(wc3:;9r a 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 decno-)hkjx6 l,d kih(;k.y s3waay. Its atomic number is n ( hh jw.sdy,xn oa;-l3ikk6k)ow

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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 nucleonr6n rs46 jls1s t5mh5fs. If it undergoes alpha decay, what are the n lt j664mhs5sf1rsrn5umber 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. How much enewhld, a)a)8twf(r 4y f*a*d(nuhr+qa rgy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074qwf 8)r (ld*wnau d,*y(ah)f+aha4 r t 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 under7twwd1q15iqlebhuivqx2 9te/ 7l. p.goes $b-$ 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 ,v u19 mgug/yoa material is 45 years, how much will be left after 100 year,/uo mv1y9 ggus?

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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 thatx3 x*w9 lb6jujmv+r2g+hu x-w an atom will decay this year if its half-life is 247jgw- u* rvhj+9umx6l+ 2xxw 3b 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 certifwxw +oakvft;:/4z+ lf /1zizrc7 sg2qied 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. glp- 8iktvi. 1ss(qx/What fraction of the sample is left after 4g.isps8vi-(qx/ 1 tlk0 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 iojhw6z,2tazzzb2 q,tt mbe):n 7:w ; dpdine nuclei are necessary to produce an activity omtbhq;dz)ptb6z taw, ,e 2zw:z n 2j7:f $1.0 \; \mu Ci$?

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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 ;ss4n;p em(* nf/tyewinitial activity of wt;ny /(efesmn*s;p 4$0.24 \; Ci$. 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 pieytdo zn.jj + 2v/4gpb:ce of a wooden casket from an ancient burial site was found to produce 20 counts per minute from a given sample, whereas the same amou.o+j:bn2 vt4ygz j p/dnt 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 takltl t)or8fzkyvpc4.lj 6a ,0 p/gy8z, e $4.0 \times 10^{20} \; atoms$ 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 , 1imm0ct* 5kt6u7 c5j wswn u(/cavuia $4.5 \; Ci$ 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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