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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 particlvsbh /h8r ,8udes 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 in+ ,vvz1vt ,nezg2io ,s

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consists2txv 65.va8vozgnlo g *.tb r8 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 d8r7io ,e9kj3myo pds *etermined 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 tr3d1(2 r0/ zfbhtsrgm he 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 itj.6);1mzlv +phlss jpbz5 z*ks neutron number by N, which of the following isl5kvp jzl s*6szm1j;bpz . )h+ 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 nuc6r(ny /x )xm p8j3anwu,.qpdqleus, the atomic mass number of the (/jqx6ruq pn )w3m.a8y dx ,pnnucleus

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of protonge o7, oey7hex,/q8 zqi8 qy:ks 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 sizamt/c( ao 6p7,- rque*dj2bfre of a 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 arezs-y gw g 10vzvpg:g93 referred tpggv g:y9g013vz zw-so 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 nuclk ,s +e q yys4ow:.nxst8ps)0pei 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 defq.;r;a 19ou4zskg uij ined 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 b; pmj(h)8vs6a )rn ;zxpizmgs l7 m,4protons and neutrons, the total mass of a stable nucleus is al;x8sp) ml ,hbnjrv7)zzi6 pgsa;m4(m ways

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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, enermrx-nuie/1g n qv07j7)fm1w:lyjj7 k gy 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 contributed torsr (e35q nu(go9r0gt

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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 nucleonfyyx kx1 oy )- i9kedn a*nv+x,nh;-w9 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 n3 35 npoh,ait.pc. baqucleon

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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 forb4 tn-x+fwt(ht9 pg x1ce 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 fb;uwx:0 y0evjda g6 .)bbbld;orce, the nuclear force between adjacent protons in a nwl.y e0jd) :6b; xbgu;0dbavbucleus 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 penetraxjkaq:6qg(. ous : 0essw-xeu.ze 6 0nte

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetra8 ed67ar yy,uate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratexj+h)s,ol/g ;cwr z99t lril4yd ,o 9z

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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 knownpzn+za3di i; k 4/jd(ku*zqt ; 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 cw5*i8ut d x- b*bacs8as

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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 m 1tod.ccav- 7zm85lpattracted 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 m/. lfg ydu5,jbl6) g l 2p9vdrr-ndg5cass 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 emittedlm f (p6r.7obh from an unstable nucleus, the atomic mass number of the nb76fhlo( .rmpucleus

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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 atomic number ohcxq nlj (ohf +s:,1 bdxhy(53f td( fql 3o,hx5 x:nsy (ch+1hbjhe 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) x 9314ro0ytbxv k4 a zp9w4 vjv,-c9.5 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 gam;u)c i4 hr)idsxl,+yhe--pepma 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 nuclgf .fha:+f d0heus,

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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 m +jwo mgjqh xpzjn (opq4,+r+7)fmr*4ost 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 d38vr wd6pp*t lecay, what value is conserved in addition to electric charge, energy, a3pwptv68 dl r*nd 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 half-life of a radiosojendrvb4i55 4w7kr8 :dm2n active 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 usei6flx:lycy *y2;e ip8 d. This nucleus emits a single beta particle when it decays. iy 8i;yx 2l*p6:yecflWhen 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 magneticrf lvz*xma1fu;-g4d dzb:: t t6 8g0eg 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 hydwx9 706wc;k jmgsl;l d7ju7bm 7l(fdk zjhi-+rogen 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 replaa gop8 0+cujcen(td5m*gr+ (vced 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 ;:y83ywhn rl t14 and atomic number 6 has how many proton8l3;y y w:hrnts?

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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 atomi/didu . h vzr30xts /j yqn2i25s;o-oac number 6 has how many neutrooy5atj/ qsd2 /hrv ns.3;oudizx 20i-ns?

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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, respecti ep9i9mtwq loq(ty0 .pv1)xjq mx:0 p8vely. How many nucleons are in onejl99(p.w0q 0pem ov1) xi8qyp: mtqtx 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 for59nk+p5d 4dlw 7thfz o calcium 39 are 20 and 39, respectively. How many elec45thn+97 zl5 odfk wdptrons 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 massvwi-z zb,qg;1 number for calcium 39 are 20 and 39, respectively. How many protons are in one atogbvw,1 qi;zz-m?

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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, respectively. hk*w-t+8sipb0l cx)u How many n +) x*i-w0kbplcs8u hteutrons 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, neutrons, and electroktx 88jau-1wo9 2g99qd njukxns 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 cl- + 80)kfzv vx:n6g fgvm0ldr)juzc)arbon-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 has an isotope of mass numh9 x)f*jic1 m7wsuq )vber 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 9s4i(jf+2 4 qn w6 rgxr1znzdgof $^4He$.

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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 proton from vy,m,nb *l ms 6g x:dywcwr0s)ci.6d+ $^9Be$?

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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. Itsn ivxqzzkue7 0 -z64s6y0. irg atomic number is ni zsk 7 00x.uz6gni4vyz e6qr-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 nucleons. aq(jrmy68 /)l ;fwhpj ktjt .ly:a8h*If it undergoes alpha decay, what are th qkl a 8)jjm;h/jlyfwp*hr:6 .a(t 8tye number 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 nssu6vxo2w3g mt u2p8 apms q-,a;h 0j1itrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of8m oa3quvths1 u ap2jss ;mwp0xg- ,62 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 atome*yi wynqi -)/ic number 6 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 years, how much will be lba-)oe6)hsq56por n hdv xw6.eft after 100 years? hos vx) e56d.onhab)qw66r-p

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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 atoqvmg .zmmr*366oh5a km will decay this year if its half-life is 247 yea5m. zg qoa*kmm 66vrh3rs?

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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)w2dsdyqq0 dc l-2 k5b 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.f/g/hq 6jrssxah+z2 7y x/ri-life of 10 min. What fraction of the sample is left after 47+ryz2 xqrfg 6 h/is./sa/jhx 0 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 8yi4ty fj:u ,szp9g1asl 1v2,ov- q 9z-aq jtm+.0 days. How many iodine nuclei are necessary to prod2f-ztyt9upjq-1a4y,li vjm:z+1,as s q 9 vog 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 half-life of 3.0 days has lg;v3+of i 5doan initial activity of d3ivo;fgo5 +l$0.24 \; Ci$. 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 aoxa 6 dum/8y obwg1t,2l56hni wooden casket from an ancient burial site was found to produce 20 counts per minute from a given sample, whereas the same amon5 l18ywoah2,x mi6go / t6bduunt 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 takped eb9g0ue ,r 4xnr,4e $4.0 \times 10^{20} \; atoms$ 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 tak(tdj1jh70d e gp x4fi7e 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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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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