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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 particlqzxjnkb3 c7up9 */s5les 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 u-kojtbglpns8565 a4 is

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus con4tq tt,* um88 t7nofu9rgxo(m k1 iqt.sists 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 detqhn,8mfs6se e 2/ea2 e (,egupermined 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 the nu 5.ebzjjs y0m),lij l7mber 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 Z2xm j,)e);u kifs n9kc, its atomic mass by A, and its neutron numbixkj e ks)u,2;) mfnc9er 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 fro3yllq3+k8fq lm an unstable nucleus, the atomic mass number of the nucl+kql8l3 f3lyq eus

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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 ijk+4o(rqn8s. v /of uen 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 size of a stu er1,9 hnv*mbable 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 a,*iikr qinb o8 5kw5p/tomic number but with different numbers of neutrons are referred8rn kiq5 ,ob/5piw*i k 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 f i70/ gj0hrziwith

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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 i+ua:1 rjh+ hjls 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 masse 448v;h4 yx0uu-zzc, yylayur s of its separate protons and neutrons, the total mass of a stable nucleus is ayucu4r8yazyxz4 0;4 lvh, y-ulways

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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 stablefo( u/t (3qj)okoj0 b y8zjnj- 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 contribu :gqim8bmf gzxk9 9w.7k9 obl2ted 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 ;*nty1br yo)76.b z gvcclm7x 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 nxirj i1wg1 ;o *xip o*u-cob.8ucleon

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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 fy ,jyt(**/tmc is.nuis 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 adjaz8es6w2u:1pv6*rugrt j ;xs ecent protons in a nucleus 81:j6r2ut*w ge pszrxe s ;6vuis

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha rays can penetrat5.y b-vr7 sf;y7k1 g a;tats(su8ukd oe

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetra 2.g,(.*p) uird -yo wlpghcyq.xqa2pte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetraw:+s7avylxme6-saiz3 i 3 s;zte

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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 knowvr+/*h sa.i zon 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 as66zsi/ p5zqb0 znfhf 3

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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 to a4e w-omdew6kne:a,mfof ( / +r

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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 euef*hv( fe0rsity y*0 :q7 h7iqual 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 an unstable nucleus, the atomic mass numb0q4 u3 -bhzizi/pv) + *necupher of3hq/niv i 0p)-+uh 4bceupz*z 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 is emittedoilag9t-owv6)p+/8vz* equck 3 mk w. from an unstable nucleus, the atomic number of thek*9kp-w. o6il8 o z et)vwuav3mq c/g+ 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 xt:sw6kh6(o oz )it :q- Ma) 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 followiyi :0zszov a l)nf5j7;ng is most 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 nuccaqw,7jd r/ y.leus,

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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 mass?jhhpi 7.( ykmgwf/i5;

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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 va/kme ,6fak,l llue is conserved in addition to electric charge, energy, and momentum?/ekmfl,k,6 a l

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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 dejh/3u 78lw giocays?

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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 singlef td-tsl0(w-y beta particle when twft - 0dyls-(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 magnetic field to curve chax3(r3e,f k xwjii03zirged 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 hydacftqy.: c8 w8rogen 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 byk0cv ny4we;fboa74 2n+( mkdcztdt 83 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 nu h 0,sza;k;81qtnagqr / tej(mmber 6 has how many protonhaq ,1/s ;znjr0k8qea( t tgm;s?

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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 atomvvdhv.2z y-1f r2 +wfgic number 6 has how many neutrons? wyv-zg1f2.vfr vd2h+

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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 3,;d bd8wqhd0ur() xu 2ixf nq69 are 20 and 39, respectively. How many nxb rndhqdf2 );(uxu86 wqd 0,iucleons are in 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 numbeg 2ej0nl, uab3a4)imf r for calcium 39 are 20 and 39, respectively. How many electrons are in one atom?l 4j2giman fe u,ba03)

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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, respecti; hicx5m*o 1iexzj1 kpj*4hj2vely. How many protons are*c2jh1*pz ek1 jx oi4i5hjmx; 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 2(3 olk-(4vc jfbxf:y x/yz2z o0 and 39, respectively. How many neutrons are in one ato o:- yfb 3f42(czxj/(kvoxz ylm?

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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 e2cw5 0h2 d*uf-zbwpynlectrons 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 areuu+ 56qxoa 5/rqmj* pc there 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 15 has a 8nx;m,2 iqtky c7;ogxn 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 energy of ihx9* ;u2h e,gdp :dvhjeguk0- 5 be8z$^4He$.

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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 requir;y*)bp kdw (oht cqz87ed to 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 decapab,/ k qv1tw (vi sxa2lr79;fy. Its atomic number is noa(wf 217 lqv/ xsbp;i,tkav9r w

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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 ix p/idlhk-:2 bt undergoes alpha decay, what are the number of protons and neutrons, respectively, in the dl/kdpxi:-b 2h aughter 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 ngi3g3)*cc o (ac9dr /sb)awlpucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14g/co )s *ac ic3)da9bgpwl3 r( 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 numbc bue 7bvv,udoh 6xub.k82;)ter 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 wim*j9zn,os 7u8h7k0n thsz*2 hz sr2n sll be left after 100 year7z 2*mhs 9 02jnhh8t,ksznzos7us n*rs?

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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 thiko(l s 6:6ybb ht og.-zu*e1yls year if its half-life is 247 yeoy-lt6glkb6b:e1z u(.hs *oy ars?

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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 certifieei2)y; urt/vrbw5 7 zyd 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 mbmt -. xe ktzwx9o 63kooo3;5yin. What fraction of the sample is left after 4yk 9 t;.exw bzok3o36 -t5ooxm0 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 i8k vkp n4.7pt rrwp34ts 8.0 days. How many iodine nuclei are necessaryp.v4wn8rt r3kp47kpt to produce 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-lifeop/giy llt* 1jzw96m ; of 3.0 days has an initial activity of g1mll96 yw;o jt* pzi/$0.24 \; Ci$. 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 a wooden cagzai96em6k11pv3g tzsket from a z3ptk196z16g mgveain 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. 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 jrhws.3n* otrh ic(2q53cr2 m$4.0 \times 10^{20} \; atoms$ 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 tnjw8)i3 tywwm:oy hg/) s4 5y-ca,wda $4.5 \; Ci$ 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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