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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 m2kj/pbhu)aqn4 x3/-b.r j gegass?

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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 isa7q0 dvheo34k

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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 gelkx;b,lt :f17wy2 vof

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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 numberjj 0ccatj;:u3 6 tet3f 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 numbe25)bl+b+p6t h czg d, rdsdm,yr 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 numberw( zd7rg1tr+ 4z1qh(z-6xjwx zpq6ue is given by Z, its atomic mass by A, and its neutron number by N6 qxu g-j6d (1zx q1wez4zhrp7zw+(tr, 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 fro . h:dzz,oucm6 28zapam an unstable nucleus, the atomic mass number of the nuc:zd. pm8zu62zhaca o ,leus

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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 inm,0rrf z 5i)ke urdwta *71*gh 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 stable 1mzz x56sk(s*se g- icnucleus 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 numb;w4nnt */gg sler but with different numbers of neutrons are refe4nng;g*l /tw srred 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 3p+k obedu9 u9iowh:d2lwc3; 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 defifpte10d im66 sgxyd l2)k6fxyp (8o-bned 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 neutrons, the kx9bxs*csgjk6x* cbk/ ;c+z1total mass of a stable nucleus is alway z*k6s9x +kgbcx1 *ckbj/c ;xss

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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, energy is 0/( rux znlqfxp2h1e6

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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 vf(9ftu3 s5df 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 nuclizl ls;9 +gqo(eon 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 nudox/r0yqavk *z9 k/5icleon

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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 nucj g 90+nfgk9wolear 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 electr m+58jw0ud0xe m(jmbkzy9b* n ostatic force, the nuclear force between adjacent protons in a nucbuw0 (jm8mzd9 xj5ny *em+bk0leus 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 penetrate-:/e )dbg w+j1hyzoxk

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrat5( qqrvesk1*.z x le6q-fuji2e

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrate. ogfqsbc km);83 g5ge

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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 fwl.xfmk9 m irm+6(m fg0+wpnde)n69 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 knue0-k0y2,gi3tjyb7 s a kqkt(k/dm4g0pgx*down 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 attractesaga2 (pl-xrhxb+ ) 4gd 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 /. hzq ,z03d9xnrxusap+ f b*batomic mass 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 emitted fr,pgnxqu5 h o,.om an unstable nucleus, the atomic mass number of the nucleusu5,g,h.q n xop

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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 atomtwz8)bpl /4e 2iaw0 is*4bdo vic number of the2zbawse48t)oiilb/dw p4v 0* 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);/kllkpq wtxbm-+ -; 5k fghp6 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 j2flt37z3 l vuis 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 nuxea*-o9:u: mw clo cx: aseq-e-z*a +ucleus,

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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?e+wn j6bbcsu;gje * 8*

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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, whamsg684vvrj-znb 03f k t value is conserved in addition to electric charbjvngv3rm8 f k6s-z40 ge, 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 ha-6 h)un df/s1x jk*dcflf-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 u sh z-v77xct(often used. This nucleus emits a single beta particle when it decays. When this happeuhxz7- ts (7cvns, 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 charge/lcg:w/:aw ik7o ar:sku *w x8d 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 odh/lw afk:7 du655jtf: 4m d-akgdb 0liquid 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 rep,; gyww /3/ih*v3;p 2aodvsxhfl bf2jlaced 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 atomic9s/dxo0 b0a1o; xbbx2z6eqpz mass number of 14 and atomic number 6 has how many protonspaq9o ;bzz dbxxso 0b/e162 x0?

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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 6 has bpgyccsz5 /x-e0 +i:nhow many neutrons? /5pxcgz yniec:bs-+0

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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 an d2*fh qwt;ka .ve8 ia4hgzd3m 42kh9md 39, respectively. Hzf2*mqidv;t .239hwd4mkaa h 4k heg8ow many nucleons 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 number for calcium 39 af2r5 p/ir 6ohhre 20 and 39, respectively. How 2ipr rho/fh56many electrons 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 forq il8;u1gkdl/m9 og4 upr745 tcfuh i7 calcium 39 are 20 and 39, respectively. How many protons are in ocq7;d1u87g piulim ur g49hf5 l4ok t/ne 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 2mgshmj999jcw0 wsp,g uz1b+are 20 and 39, respectively. How many neutrons are in one atom?mw92hj+,zb sp10ggu cj m9sw9

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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, an 3w(g (mdrn0a*drl;fc d 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 carbon-14 nucl8se9u,e:w 1duj g+tudeus?

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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 number 32,q2p tv(h*up0l dvm; 3g

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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 iri76k2jbox ojq891r$^4He$.

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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 prin0tl(p ah dzxx5+6gvy6.p 9 v c7gyz)oton 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 num a bzh7:obdn1: ubu4x5ber 88 goes through alpha decay. Its atomic number is nowxd7u5z4 n:ohb1abu:b

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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 rk-5i:* ozfr d249 nucleons. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daugrzo: *k-i5drf hter 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 dey)2lqrc6rd) a 7/ ldfycays to a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen)y2l6f yd a/7rdl) rcq-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 unnc :inex3f7s: 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 le5m+y/ cc 1ovloft after 100 years? 1/5olycmcv +o

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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 de1dr8.w -k g )fktluz4lu;9atacay this year if its half-life is 247t1;8 rku-gw)u.zl fa9ak4l td 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 wagd rk7dalu) q;q gk* 6e(o;3osyw2e /us 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. What fraction o8 z ,lpqrqrail-,08pvb,pr;xf the sample is lev-aqr, bprq zpi ,rplx,0l8;8 ft 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 days.fl( c ey;rh91vdgnaa5ry z4c52 5 9niw How many iodine nuclei are necessary to pr r1(yfiey595wzvnlc d4ga ahrcn;952 oduce 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 3f7+o96 ff vizud..zc d.0 days has an initial activity of 7i . +f.zdo9fu fvc6dz$0.24 \; Ci$. 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 tz;z a;7dm0bi ro 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 c7d0 ;bzrm;iazarbon 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 tae9p3o 8fy r.6h(lakdcke $4.0 \times 10^{20} \; atoms$ 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 a6 xgj5eo1.1zzi)l. v7hwuxpn $4.5 \; Ci$ sample of material to reach an activity level of $0.14 \; Ci$ if the half-life is 435 years?

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