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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 particqjfc e. (isa zxev:(;1les 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 imtb * jz 8/vx q2t,awt++jke6is

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleusoxa(vi)c 6 p*qve9 )xn consists 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 numb4.8t+iaxmm-bhhh.0 5u 2 nzyaaka j s4er 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 d .fb2 sk pse+;8ltxc3ketermined 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 is given by Z, its atomic mass gv1q2rw e59bub,r ik l- x6;mnby A, and its neutron number by N, which of the folleb 6- rl wqi2n1 uv;k9g,brmx5owing 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 njjbb,))8 uztz k,i wy6ucleus, the atomic mass number of the nucleuw) ),jij6zb,zbu8ty ks

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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 a0(w qv+b-/ njjfphdy(tom 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 because ofp -0xv.m3 ehmu

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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 differentq f lg. ,ru3oka8.,qxd8fti/p numbers of neutrons are referreq a r /8,.,pkqxdfltg.ifu 83od 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 eleme9s7 nfvy3z e;xnt 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 is defin9o 3(y0) vs*23ht kowa joblfyed 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 neut4on-wk7f:jtq g: 3kyc iz( m2vrons, the total mass of a stable nucleusw(j-yg o :mt24nkc7q vfz:3 ki 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 stab,po df*1pqj v:le 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 k/rv-6v, km zha 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 nucleonlf-tm lyl/ n14.:;cxly 3w zpg 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 nuclei;(ihmc sp( a/3alq9-y rq u6yon

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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 iss 1o(dkzvvpe7 -ns65t k z*x)f 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 foct 83edv3s0oyrce between adjacent protons in a nucld tvcy3oe8s3 0eus 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 penetrevfwf9y26 x7r ate

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetr9 fm ;e+ o.leow2mv8ygbg:9uyate

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrat0jf- blsg8 ,,uxjv)m6j9m mfye

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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 4y, ++skjsamw 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 asu k0+sr( j/eyp

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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 ew49/ e ;c,ju d*5x slyg(5imbaago:dto 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 m32b*nffll* vv/a rr *vass 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 eml6h1m ol4w9 ab lpp7r x)mtr-4itted from an unstable nucleus, the atomic mass number of the nucle 1h4 wlta-r)b946mlpxrpm7 ol us

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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 nyp76d43 va/o: c.p3 tas ofplkumber of the ylf 6.vct p :op3/7sapo4ka d3nucleus

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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);q*qg :/z b2jbi: asvj x 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 nearlyng,dzczoqy q dxs(8d9nvacf x1,i-; 39njs6 ) 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 nucleuzv4; rmk+d /bss,

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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 mo1 ah9enwx;hju1t9 m wl5e -pq6st 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 radioac3yr mks++ ed0 /r*ymxjtive decay, what value is conserved in addition to electric /m+03myyr xesj kd*r+ 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 half-life of a radioactive substance as it decay3b815s+jutlucb; fqyu72sq(iqk p ; ds?

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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-14lk 9 c-h)*jihi2lqho) is often used. This nucleus emits a single beta particle when it decays. When this happens, the resulti9h lqlc)i-ho*k) hj2 ing 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 lfsu uj6 u .uqt75)dl1a 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 li5bz9ef ;cie nh:5-n /ew*pxm jquid 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 bkoi9s* jzo2r0-ly vxz3jo6 *zubble 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 isi b3:ami8.js 3q9o vhas how many protons?sqbo9:sjmi8iv. 33 i a

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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 atwj c7q :9ok5kpk4fpc4omic number 6 has how many neutrofw:kj 7p 9454 okqpcckns?

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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 numbez4-mpz4j0qsuej f 2gxo83ro 6r for calcium 39 are 20 and 39, respectively. How many nucleons are in onrs3z4ofge2j4m 8j uzo6 0 xq-pe 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 calcium 39 msisc ch:-mi0 c-f )e-are 20 and 39, respectively. How many electro0ms) s---cfe cimcih :ns 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, rxutt5ku+wi/v 7q3 ht8espectively. How maquxt8thkw +u5iv3 /t7ny 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 39 are 20 and 39, resp:tr :rvdkk5z5ectively. How many neutrons azkrr k:5vd:t 5re 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, neus e5 wlvoc d7j8t1f7,ztrons, 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 carbnmtgf.e *7/yi7(zdn gon-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 nulgrxi: j *zv7y 4-r9zzmber 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 en ytpyzpn ;z:oh,o9m)x5wk -g7ergy 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 oneo7,,xxeqk)ep h 66 ina 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 atom(e58q7ea5pm zm.q;j kur, cclnd.fh( ic number 88 goes through alpha decay. Its atomic number is nc ,8 h; 5mreu l.7qjza(dqkc(.m 5pnefow

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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 decay, what* txbvlyi in*-)(ckj, are the number-,v) lt* *ic bx(ikjny 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 nitrog9l0 t +bjxj0acen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and ni 0bt cj0jxa9l+trogen-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 un1x +nz;av bo5b7pt0fz dergoes $b-$ 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 left after 100zc+*+lu 1mic:vghg-x*cvq2m3k4y k)em l .v l year++)v3qummc 2h4 cvg-l *k*el .lzik1mgc:v yxs?

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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 bq v 3 :1c/jjqg/yv5cg-fmy(6 9uag rbdecay this year if its half-life is 247 yeagjyq v5u/6 jgym9gf1ac 3(brvcb- q:/ rs?

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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 ceruyr2o9qaz nz0en:drq 3)*(tz j3f;s h tified 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 sam7 1+2la b): nrikatixtple is left after 40 min?ii l2 :tata+r)nxb17k

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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 cmzqgu d3-/ lbv)wc4 cl,h w228.0 days. How many iodine nuclei are necessary to prowz h ,gum2d c23l-vwc bc/ql4)duce 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 initd fv.*i6d ht,xxq.0fzj d68x2lg n6caial activity of 6x v2 di0h.qfl,* a d6d.gzcxn6fx8jt$0.24 \; Ci$. 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 r)zldm.r+i ; tpiece of a wooden casket from an ancient burial sii .z;+) rtdlrmte 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 qr;bv+//94 q -d,*y k* aibboyiquj ri$4.0 \times 10^{20} \; atoms$ 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 a9r7e0wnq8zq atp.c,at.hv 49hp 2 cvz $4.5 \; Ci$ 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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