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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 le jr2jj1p;g jsh ) trd 22b(-;m;bsmlsbast 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 i7fhc 4laqm 2ok:2c 0bk.nser0n 0i-sos

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus co f. 3w/+a1pve9ck pketnsists 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 th zcpk pfpef**4 iwp3c1 e.x5s/e 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 number dd) 7u8u2g eiqof

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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, g3w0)x4* g epy7nq/yx14olfhy5 yk d fits atomic mass by A, and its neutron number by N, which of the followin7 ykx5he4wp) fxd /3 y4fog01qyg yl*ng 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 atomic mass number of xakrjh4z,u)p;aq la5wc 5-5bthe n5 x, ;kqubaw5jrlz5-caa p4h) ucleus

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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 phx+dc 0i9cf6 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 size of a stabl+lfbg(z .lhd0d8pbs5 e 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 numbe,xcn0gbnno2t dm,7s) i) d;dsr but with different numbers of neutrons are refix)g)bdds 2o s,m0n7td ,nc n;erred 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 wit a74jj1xeqxc91 kwv:eh

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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 defined a 8gcsxr :dwgt7 l mwqp1650g0ws

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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 p*egr14ojsah u1) h (hdrotons and neutrons, the total mass of a ste4h ouhrh11sj g)a *(dable nucleus 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 stable nucleus, ene0n,pr) ntdq i(8m-ix6fg4fg18 y bsj trgy 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 nucldoh-zw* 6eq9i eus 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 nu6 nd-l-) +r;0 uzokavqkvor 6mcleon 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 ndg u9r u3n+ie/ucleon

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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 statexqvq vv.t 7d+l:gh6 4bments concerning the nuclear 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 forboonn0:ko01q p;rp s)ce, the nuclear force between adjacent protons in a nucleus inpb0;q)p:0 rs onkoo1s

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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.q1jtu4 2: )mlg i er3u+n pd-qjzclg5

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetrac17oc nwk2ui zyw(wd9) )nd;bte

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetq: xzz .ko8j+trate

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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 kh5*m+85l/sgv cnd:mksqd +u mnown 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 knowp ipbq9q5 yrs29hau:-(mx+wun 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 attrs otdb0e1:zq2ia( 5 oiacted 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 equal - 5xbwoe ak1q2to

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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 ie7 rn4i b9o, +sjjn6lks emitted from an unstable nucleus, the atomic mass number of the nuclblkj n er7s4noj,9+6i eus

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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 s *k gg5w:f,nqan unstable nucleus, the atomic number of the nucleusgk, sq nw5g*:f

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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 931.5 represtl sxa4 19 -aeaa:47utbzv.mvents

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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 mos21 57gm;r)yzba t9h alaotc6jt 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 fvh; y fiw.7nga9+;rj,gp3fi krom an unstable 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 t y7e9 qrx *dsuzt zw0h:v; u3y4o(g4xghe most 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 decay, w+tp:yff aa::)fok 2p (tqvyy. hat value is conserved in addition to electric charge, energy, and momentu:pqy:kp+ o2ay)f.(: ttvfy fam?

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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 o 1 w +g0*fps/(bjd:qkjkd c;tqf 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 often used. This nucleusbs a+p-9zgm 3p emits a single beta particle when it decays. When this happens, the resulting nucleus isg- 9bapm+ zp3s

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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 magnei 7m x2wqofhu* +z8ya: :5tlrutic 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 o**):eclalpe,qdbff. m t *,g35 grplliquid 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 bubble chambers becax,jkdqv 0.c9m 4ce/gxuse

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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 5r3fx 1vh-(i8zqig3 oyqfs7;ly 7ch nand atomic number 6 has how many protons?3-qn 3 g57(fi 8zyvhri7q1cslhyf x;o

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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 n)ngc.2 ;vujn i 5-ikioumber of 14 and atomic number 6 has how many neutronsoc-v5nii .kjigu );2n?

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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 calcium5. wt(r5 utmqb 39 are 20 and 39, respectively. How many nucleons are in one atom tu5bq.(tm w5r?

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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 numb7nxki9z9f5ij er for calcium 39 are 20 and 39, respectively. How many electrons are in one ato z95jxik7fi9n m?

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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 arcc)qnzi8p;:v e 20 and 39, respectively. How mc vzq;pc)n :8iany 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 num1pt x)- l mlubce(-ob(ber for calcium 39 are 20 and 39, respectively. How many neutrons are in one atlxem b1(c)o ( lpu-b-tom?

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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 1 bojyx2k30y -n b1l pgf,vytp.1divn qv8;:d, 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 carp10tmim.u8j-i bl3 xrom xj-.bon-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 hasfs u* /yadr5e1 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 bindingj nzp8 k05aps/ energy 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 require3 xbrrzj1s89ywig6w-- l -b hhd 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 decay. Its atomic numberpl2k,61hy )w1xumlkm is n,y6mmw)h1lkl pu1x 2kow

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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 al:fsu /0pp ynj /1)aupipha decay, what are the number of protons and neutrons, respectiiu ) p1:a/j0sunpp fy/vely, 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 nit 2*4hp :r8u(p:efm k1yxjnhlcrogen-14 nucleus by beta decay. How much energy 8:khl(4*xr:p h 2n y1mcpfjue(in MeV) is released if carbon-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 atomic number 6 u ;-w,l6nxorcbndergoes $b-$ 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, ha3w os-l6 c)j*b k .1pjn, 6ct,n qxb2fczd;qeow much will be left after 100 yearnj,kxcp),bz;b6ond1feq.-6jw*l 2a ts3 cq cs?

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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 this year if its ip2bx ww1:qmc/5c hz,; d6uuwhalf-life is 2471;c5,wqd u 2/hcibw:pxmuw6z 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 certified a 0qd-o6h;tpu d9/ zzrft $10 \; \mu Ci$ 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 --hzoafc ka:3 of the sample is -o a-h3af:ckzleft 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 ozvl* eo0*,7g s*n h rn87earw8.0 days. How many iodine nuclei are necessary to produce an activisr o*naw7ezgn8 *e70lh*ov,r ty 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 initix,qs.p bj6g gwwdk t qlnz4(ca32-q; 9al activity of qz; 9 qq.sx 34j dp clbgw-a6t2wg,(kn$0.24 \; Ci$. 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 piecep a*k vmx(mw-70, dvm o+:rcjw of a wooden casket from an ancient buria p +(xo7d,-amwvvw0k:crm mj *l 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 takz/w8f 5)*km 4hgkvjci23u) cxva3af ce $4.0 \times 10^{20} \; atoms$ 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 ucl hqir/ ;4 wh...ltwa $4.5 \; Ci$ 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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