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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 tjj1(gmh1rru7 a 0zt+l he 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 istwfi(b g4q0jaxd*( f7

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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 ju izn -)6tjqu:/utd8 5+mqt sof

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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 determined2 ttk5 ggxeh(h4 kaoh/3 cnn1. 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 numbefaz4jb6p9r,*c kko g, r 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 b 962/ycdlt rlis given by Z, its atomic mass by A, and its neutron numlltb296y/ drc ber 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 unstable nucleus, the atomamq (mq p3/b/6dyg zt+ic mass number of the nucleus d(/gp m6 qzaytqb+/m3

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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 vx0 shjku8 b.1 tqa7*latom 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 becfgfu .x+ +v+o9d8ujxsv ()qwv oca,6vause 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 w jyiq+k5-uka esshl. d3)3sxb)0o t:with different numbers of neutrons are refer:xo0ks3lbu.5)sh dejqi-3) stwy a + kred 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 nuclei whb1b/q-iw urrds5 5yh m53vo/ith

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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 aa2nl0,: piq+ gge82ph4 ainu0r fhhd* s

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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 sf36a7c61x inj kj xpye72 gr*xeparate protons and neutrons, the total mass of a *nij2cj p7krfxx7ga1663xe y stable 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 nucleuso kk*5z/xx 9jq, 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 hn -s0zzdwpjqse5 ;(nl u0b *if,4+dkcontributed 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 nucleon isl; h1gkovf .d( i7usqf.,ute0

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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 nuclevxds 45ooh-)g on

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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 fal0)it*u;vbu1ki lt r dp m;2q2gtmvw(0se?

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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 +6hdig deu .p)nuclear force between adjacent protons in a.e)u+dhg i6 dp 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 penetrap4 9dje r2ewy2wp: s.qte

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrate6 m;x2 pny1j qvxm5 8jx8lrf(g

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrpan:8/vwkt/fo.5l11js kt:ayvxu 1nate

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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 als7(q,gym be+g 6bmbct 2o known 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 gn5hr6pu) 2kjknown 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 be attracted tr+ax71hw(qv;uno ,i 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 eq;y7( -aua1 dra;vjbehual 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 gkxy7e4qy7 yw97yt:s is emitted from an unstable nucleus, the atomic mass number of the nuc7sg774wt:k9yyyxe yq leus

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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 en3*zvoah;4 s (ywhihp)y +p5omitted from an unstable nucleus, the atomic number of the nhpo;a() +z3 4 ywh*pvhyinso5ucleus

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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*l/5i fuuovvhir5+2y 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 mn+wlo:yrvj;x/na 6( rost 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 emit xfpi4l65ze ;gted 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 mosn58vyzud6uj 2+tg- ;brad;bhuthd2 min8 l)+ t 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, wh vyd;cyibj 8*ff7:.0 lsm tb gfhik4(/at value is conserved in addition to electric charge, energy, and mo gci0j i7l;:k8b ybvf.4s t(h *ffdm/ymentum?

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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 hal.y 3,u* .s+x*h zqqtldddg*t9i rhh5 hf-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 emix pn2fzzc d*1,ts a single beta particle when it decays. When this happens, the resulting nucleus is f xzd,*nzp2c1

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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 charged particles isp)oi m z q+u2-tm*x1zde/rv 8a 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 usesmi0nj 6s360hvhs: jzlf9u( gl 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 chambers becausel wv((.tla 5xcvu*ij*

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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 nvwo0 lpi .1c*cumber 6 has how many protons? olpci1v .c*0w

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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.dk.j9jslt- t 6 has how many neutrons.skj tltd.-j 9?

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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 fov7a*:slsfh m5 rl2;yf 0ie5pbr calcium 39 are 20 and 39, respectively. How many nucleons are inmel0;:p7rfsif alh5 25y s v*b 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 calci*6u;tyk *vfkja8 t t9k wm0d/kum 39 are 20 and 39, respectively. How many electronfvu dtka 8kk0tkj**m/t6 w9; ys 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 number for calcium 39 are 20 and 39, resp *102of8mjo ;lxhajziectively. How many protons arifjo0*zh 2xo 1;l8 jame 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, respective3cmkxm8e. vm4f/8lwjv nok:;0 ql;skly. How many neutrons are m4nk/v3kq sxm; 80 ko8 el;m:l.cvwjfin 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, neug1 0zj+ vu.mwntrons, 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 thered.f6ers:9+*k yx tt-wpkmj6 x 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;v m(d+;bcowf number 15 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 energnu,- m3 k:q s8aktz*dgy 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 protosa:x,xzgbe, x ez 579jn 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 thb/m8rp5x;, tsa;.v+cyyjcm*3gm ua i rough alpha decay. Its atomic number is m;3 cm .tiu,xapj+ ys;vg a yrb*8cm/5now

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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 decd4 fxep)+ h;bsay, what are the number of protons and neutrons, resf +s4;) hxpebdpectively, 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 decayuc:7 i*+w i-vgv8o mvn. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has aviu*g -8o w +:c7imvnv 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 6rqo8 80t9q;t2ej vckz 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 yejw2s p3 3rypo9v2qq: ears, how much will be left after 100 yearsrq23p3epwv q 2oy:sj 9?

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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 probabiliakd t9n2tq49 pty that an atom will decay this year if its half-life is 247 yenatd9tk4 pq92ars?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A Thallium source wa l,msmptk2n*81cy4/ul wpo ds-ev3 n3s 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. Whaw5r+moz7rd;-g6 f dcit fraction of the sample is ler75-z ;gmo i+dcf6rwdft 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 radioactive iodine-137 is 8.0 w:xq( )jr 6mq + bppyjj;gdi2;days. How many iodine nuclei are necessary to proddb;jp:qw mr6 jipq2+ygj ; )x(uce 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 hx6g- 66w oamrhalf-life of 3.0 days has an initial activity of o-g6x h6amr6w $0.24 \; Ci$. 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 tor*05itllg06t lua ,yzre xi)8 carbon-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 counts per minute. The half-life of carbon-14, a beta emitter, is 5730 years. Tlx 6ua8, g5tr)t y*rlei 00izlhus 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 takl(vv/ybuz( )yp2l * kee $4.0 \times 10^{20} \; atoms$ 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 ak 9qz4yw0jhd0xe1 cg4 $4.5 \; Ci$ 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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