51fly国际课程 (51fly.win)

 找回密码
 立即注册

手机扫一扫,访问本页面

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


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

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the atomic particles has the -vrii q./dcs;least mass?

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The mass of an atom i0-j6bsb rr5a +x5ltris

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The hydrogen nucleus consists 3omtzx9a ddb0:p9ob (9rg i3 mof

参考答案:    

标记此题
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 i o(s61o /a01o;v:iyb p3eoasvqz 9jathe number of

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An atom's mass numberm*kqa+x ;5iul is determined by the number of

参考答案:    

标记此题
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 manh7n3dz+6eh 7:pn w2lm /ki eass by A, and its neutron number be73nza2e67k/l+mhhdnwpi n :y N, which of the following is correct?

参考答案:    

标记此题
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 /9hawn02vmbp mass number of the nu0/hbv 2w9pna mcleus

参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of protons in an atom g k0zbgur ;-*6dwrf :dis

参考答案:    

标记此题
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 l /.wm79g bbecw6 1saya stable nucleus because of

参考答案:    

标记此题
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 are r3asw;l /1mfk/kgmq w(eferr;kg/ w1almmwskf/( 3qed to as

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Isotopes of an element have waurcj6,;xeif (5g u md 2+4gnnuclei with

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic mass unit is defi,i2g qorbipz(yn .;w/ned as

参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the masses of its se0:1xe bh9ztc-m qey b*parate protons and neutrons, the total mass of a stable nucleuxth* 0zby9 :eqm- 1ecbs is always

参考答案:    

标记此题
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, ener2g:p w 5gx 0rgp*/iofdgy is

参考答案:    

标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy o4q,c bc3z0p0qu/ .tal, vcxkt f a nucleus is contributed to

参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy per nza;w 41cail)g u/xkij1zd7 4 cucleon is

参考答案:    

标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The binding energy per 8l* 25bmjp, phf b3cjynucleon

参考答案:    

标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following statements concerning the nuclea8*)n +a+oko ru5pgkl hr force is false?

参考答案:    

标记此题
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 beshdav78pz/2q-s. ld ztween adjacent protons in a nucleus i zd.8s 2qzpdvsl7- /ahs

参考答案:    

标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha rays can penet);b o b48deo8f fqp:corate

参考答案:    

标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Beta rays can penetraty-)3x*cb 41eb n-q,bu fmlxzj/m co*ve

参考答案:    

标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Gamma rays can penetrat8hffne( osy8xs )p4 +ue/)f.dlg 0xoae

参考答案:    

标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An a particle is also known as2icyb x e3,xtkz6)m) h

参考答案:    

标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A $b-$ particle is also known as

参考答案:    

标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A $b+$ particle is also known as

参考答案:    

标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A gamma ray is also knf5f-5 )mfh9 z agog+q0nvdat (own as

参考答案:    

标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle will be attractb, ibg7x:-d xj7ks 8fded to a

参考答案:    

标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Alpha particles have an atomid08 lqdd n1g m/g,gfh98lk2bz c mass equal to

参考答案:    

标记此题
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, th 0rw3n//j2zkh:i9 v uz kfnjj7e atomic mass number of the n2n uv/j:kzijn70k /fjhr9 3wz ucleus

参考答案:    

标记此题
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, th j8tfq2azu 8. 7qlze tj3zi:h8e atomic number ofuz828.zf hzjlqa 3ettj q7i8: the nucleus

参考答案:    

标记此题
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 represeelgrgbh2j43 65x mn0xnts

参考答案:    

标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In beta decay

参考答案:    

标记此题
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  During $b+$ decay

参考答案:    

标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  During $b-$ decay

参考答案:    

标记此题
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

参考答案:    

标记此题
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

参考答案:    

标记此题
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

参考答案:    

标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is most3ht y1zbw6 n+q nearly the same as a gamma ray?

参考答案:    

标记此题
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 nucws8 l6npq5om3 leus,

参考答案:    

标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which particle has the most 50ifbq8bbdwh3 ,: lzlmass?

参考答案:    

标记此题
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 val 4n8yupx v+9alue is conserved in addition to electric charge, energy, and momen4y nu9 +vap8lxtum?

参考答案:    

标记此题
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 rad)p g +kqn7k h2r ow45tqf8s3n b./qxacioactive substance as it decays?

参考答案:    

标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In radioactive dating, carbon-1 i30v a2d+,qtzpx:)j6wnw cb)kuxp;v4 is often used. This nucleus emits a single beta particle when it decays. When this happens, t;2kwxuq 60p np x) dczit b):v+,avjw3he resulting nucleus is

参考答案:    

标记此题
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 charged particles ikv 7dl)654woc l rly(g /pyd0is a

参考答案:    

标记此题
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 i 3fasp6ay 26nc mue+ :h6-ixacs a

参考答案:    

标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Cloud chambers have been replaced by bubbln fjc ny7v:9te.-;pq k:qt a-0w vjyf+e chambers because

参考答案:    

标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic mass numbern-ea: 4q rzb(j of 14 and atomic number 6 has how many protonzaj(eq-b4: r ns?

参考答案:    

标记此题
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 nuwu-ku) p+q)ka00m, cwqv*k khmber 6 has how many neutron-k )mq,0uckkwkw0hup )a+ *qvs?

参考答案:    

标记此题
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 and 39, respectively. psb v6( 1-ktoavjb: ibif-m/(How bm(fas-6ivpkji (/vb bo 1:-tmany nucleons are in one atom?

参考答案:    

标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The atomic number and mass number for cahm/o *,sq0yaza) 4 sbbhy(zr6lcium 39 are 20 and 39, respectively. How many electzsyha/4yhq) * b s6zor (b0am,rons are in one atom?

参考答案:    

标记此题
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 20p w(uq.x;lfmt6zmu8qm*) fgbl bn48:njg7 d2 and 39, respectively. How many protons are in onlq6pz qj.fl(7fun bw;2 mm4* gxgbd)8:t8nmue atom?

参考答案:    

标记此题
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, respectgw0gy5 jms 9xv lr7-w*ively. How many neutronm 7- xj 5g9*vs0lwwrgys are in one atom?

参考答案:    

标记此题
53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a 93 Nb nucleus, *2enrv dqo:a.the number of protons, neutrons, and electrons is 41

参考答案:    

标记此题
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 .+ npagkr4mk9nucleus?

参考答案:    

标记此题
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 of8ls7 )zpem.kydq 01i f mass number 32,

参考答案:    

标记此题
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Calculate the binding ene1a ddc* e)m0pfrgy of $^4He$.

参考答案:    

标记此题
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How much energy is re.sx8q,sh t+-ig.t:gsmpb n pr -1 z+oyquired to remove one proton from $^9Be$?

参考答案:    

标记此题
58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic nue8(swnx8 ovzn (mk(4tmber 88 goes through alpha decay. Its atomic number is s(w(48k(nvx eon8tz mnow

参考答案:    

标记此题
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 underg29m ut(.gssym oes alpha decay, what are the number o2gy.um(s9m t sf protons and neutrons, respectively, in the daughter nucleus?

参考答案:    

标记此题
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-144zlox*/b5is ( 3vcrry nucleus by beta decay. How much energy b 5rv i*lxz r4ys/3o(c(in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074 u?

参考答案:    

标记此题
61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An element with atomic number 6 m77ewad30s rq)j l 1gdundergoes $b-$ decay. Its atomic number is now

参考答案:    

标记此题
62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the half-life of a mzp0kbxje9.e /1vx6 eav xe-8 caterial is 45 years, how much will be left after 100 yearsxx va b9p/c-6xeekv8ej. 0e1z?

参考答案:    

标记此题
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?

参考答案:    

标记此题
64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the probability that anghh p-v l).+nvyu3sec t: l54dh9a( pb atom will decay this year if its half-life is 247 l94ldb-hnp aue ( htvh3cy)+g.p:sv5 years?

参考答案:    

标记此题
65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A Thallium source was certifizkb+h( ,s)sc 7ov pn ;ivceg(r1ve91ded at $10 \; \mu Ci$ ten years ago. What is its activity now if the half-life is 3.7 years?

参考答案:    

标记此题
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 i(pe 9g-d z:nags 9dgg :-e(pnza left after 40 min?

参考答案:    

标记此题
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.icr )e ufti)7kmn3 sxr:.4uo+ How many iodine nuclei are necessary to produce an activity o)u :ie)n4+.3k tsrmrfu x7 icof $1.0 \; \mu Ci$?

参考答案:    

标记此题
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 p *nn;q+kfdr0pn.(upm7 len 7fqe+0unpdlrmpn p7*nn. (k 7;$0.24 \; Ci$. What is its activity after 6.0 days?

参考答案:    

标记此题
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 pio+d /kpe +z0bbece 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 carbon from a piece of living wood produced 1 obb d+zk0ep/+60 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

参考答案:    

标记此题
70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How long would it tap( snbcq,:u;lqsja bkw l98,6ke $4.0 \times 10^{20} \; atoms$ to decay to $1.0 \times 10^{19} \; atoms$ if their half-life was 14.7 years?

参考答案:    

标记此题
71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How long will it takeyf(ye:30:ux y xd5.ys*nj vnc a $4.5 \; Ci$ sample of material to reach an activity level of $0.14 \; Ci$ if the half-life is 435 years?

参考答案:    

总分:71分 及格:42.6分 时间:不限时
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 71 道题

浏览记录|手机版视频|手机版试卷|使用帮助|51fly国际课程 (https://51fly.win)

GMT+8, 2026-2-18 01:55 , Processed in 1.355317 second(s), 172 queries , Redis On.