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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 particlm)0xk(b2xt(7 pujfg f es 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 ia)pk qe:bn/d4s

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consistudre 8tdo ps/+*fzq+;s 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 detwxw.788 ct cxsm ebc-)ermined 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 detepsbzr oh7a*n s36+ju, f z9nk-rmined 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 p i3si yn836e oap)0owZ, its atomic mass by A, and its neutron number by N, which of oayip3i)oep3n6 w8 0s 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 a - oxlq,7ctpj-tomic mass number of the nuclj7x,t loc p--qeus

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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,t(yqtu (7// ofpszv t 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 sitgv8iwz,0kv: ze 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 are8h;nd l)z.-wtljtj 9w.ak vc;x ku+h: referred to akn:wkj9hu8 +)w x;lc; jt.t vdhl -z.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 nu,q rl f,zv3uuv/(jhb 4clei 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 is3jszgij8 mwcw 0jslqel5r. dk 76 ,u*6 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 masses of its separate protons and neutrons, the total maj5+p/lq7pomj.y n sm8u.br4o ss of a stable n po/lsy j. bj.u4nmo8m7r5p +qucleus 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 syk,jyc, +rz j /co1hm7table 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 contribute :jb6oab25aaod 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 perl*b j4zl7ki*k nucleon 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 nucbu)ch- g(g8s kwca*7h+rlo p3 leon

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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 nuclearhsa: balfhf 4; i/0 qfjnqf2+2 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 electrostatic force, the nuclearr6v2r,ahkdjw m: 8xe y+5)8( uoqjqq r force between adjacent protons in a nuc :+8vky2xor q ,5d j(68mqrh)q wrajueleus 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 penetraa k;aoi-)esz.te

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetratqr8n k l6ahd8p0qc yb-k* 3la 3m2qmghus-s77e

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetratecl g /cxf.7(pbcp:z7m

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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 alsdfs (q;( tnvq4gt5ur7o 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 known nwp *-1vuydx2fn 8 zw2as

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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 attractedud* m rd-7sr r;mk ssw5)ep 7n4:ebbh, 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 en ne3o-oq mq18ize)g*qual 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 m(:*tf lf+kb5jbg6jxl li3) rw ass number of g+x: 65l tbr3bfli fj()j*lkwthe 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 emitted from po8 ;ymynlr;dd;a0w6 an unstable nucleus, the atomic number of the nucleum;6;yr8y wd;ln poa d0s

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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 0ny(fd9p /c 9rguf8cc931.5 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 gamma raybtf(b-l5*zs csd5xn,z mzj5 z/qi a:1 ?

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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 unstabls8ejjq 4vj9. yafda* u6n)zf-e 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 most mass?()6a vbfao+0mp -6-jdkg cvwn

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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 valk,c/rc9 /dy*8dzc omw5y4lh mue is conserved in addition to electric charge, energy, and momed/r y8k*d4mwcy,9h ozlcmc /5 ntum?

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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 halr1( dujom9r8 af-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 +9 tzblpfm3 d(i.yvd0often used. This nucleus emits a single beta b 0lm pyvi3fdd.zt+(9 particle when 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 mmr-8c eo n*krtl6f,p8jureh: b/l2r*agnetic 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 hydrogen is axlg6aw cj9 b8g7al1 l6oe6cj..p xx6z

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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(juy- ja (pm;,uzm9mm replaced 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 14 andn 4,u fxvukppm n: 4v32mdfi9: atomic number 6 has how many protons?nvk mf :x3pmdnf ,uvu9: i442p

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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 6z,ifsbs 4j09jt gs, buj45 xu4 has how many neutro,4x0s4s4jisu jtubbjfz 59,g 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 /*3 nhl+o mwhrgu.k; fmass number for calcium 39 are 20 and 39, respectively. How many nucleonsg/ 3h;*ohnlrku +. mfw 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 are 20 anyw (pt4iu mk ;h;dr asz.-;qb*d 39, respectively. How mbstr;ziq p4h;d(.*k myu -aw;any 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 for calcium 39 are 20 and 39, respectivoy moye3td0*5tg:;hvjlk7 v 5ely. How many protons are in one e tvy*gk5;lv3ty:jd70moho5 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, respectively.9e,kxtt r8 6js How many neutrons are in o9ek s68t t,rxjne 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 electrons ilau5* g4f ;.o jyo )l iuc/q.gko4gb*vs 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 +gfpl )/bec h;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 an isotop ajqke(8de,d 0e 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 e1iufqqv+-pv2 nergy 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 ouure3 yxh mcq 6/25lu .uk+o+mne 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 8g5 yld+2-hpdn )d:s ms8 goes through alpha decay. Its atomic number is n5 2hd ):pmgls-yn dd+sow

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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 undergoe( tajsjr.z x55t*8 aey4.(b ayv sjv-vs alpha decay, what are the numbe5atx 4. vjtyzv*js vr(85jsaey-(.ba r 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 nitrogen-14 nu yuyi2d:bo9qygz(da 6e; gj4 *cleus by beta decay. How much energy (in MeV) is released if carboidygy;469e (*ua2zgqjb:d y on-14 has a mass of 14.003242 u and nitrogen-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 atomichlyiys ,p0w( : 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 matep s/ux5 ,mpde0pfb),gn7ql+vb 6je -l rial is 45 years, how much will be left after 100 yearslgp/pn-5fuj,)p dv 7b+s6em0 e ,bqlx ?

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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 th5+xc ;fjtxtv 7at an atom will decay this year if its half-life is 24tj5f+ xcxt;v 77 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 was c:2z1qx/xg dd7zkll /hertified 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 sample v6ptw* 5n/7yu3s ynonis left af /w576ytnny o puns3v*ter 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.w l95jp70lcjm 0 days. How many iodine nuclei are necessary to produce an a5lplj0c j9 m7wctivity 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 initial activity of f .xe; cfxu/q2) ,gna615w xpqrptjc :cxfp;6 /g1x enxat,.: ufc5p 2qw)qj r$0.24 \; Ci$. 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 casket p0b7 c0ldtu:e6 opq j/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 l/0leq7 ou0bdpj: 6cptiving 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 takub 17lrio:llad d)w1wt5ro98 e $4.0 \times 10^{20} \; atoms$ 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 a * aii-6kf2owy.,rmzequee u9huj 7 4gc g( 3-x$4.5 \; Ci$ 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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