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: 匿名未登录  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 part7 951/hr809divjlkpn6tvacda3e hm/l i af r3icles has the 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 iscn / mijq7c.k-

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 consiso .xi-c jv7bg1ts of

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 the number ojxci 5.arn m+ct)s zk5.srk7)n0 hfb*f

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 number is determined by the nu +b rf/j9rgs* (qfk(hx6n8yih mber 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 ld;qa)*p+s17 ,b v v0b ypjozwatomic mass by A, and its neutron number by N, which of the following isv, wb + z7oljd0;yp*bv1pqa) s 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 9tc) .pa96*jqp m+epc (x)bhoa)rp ac;w u+sqnucleus, the atomic mass number of the x)a a+pbc) *c+s;pjuwht6cm)prq( q9ape.o9nucleus

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 ..f1k6.0o)nwg 6zhdwwen lh jin an atom is

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 a stable nucleus bdw23y e)me pskr,4107p f/nygb0 c wzpecause 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 atomi78 vys rnwi*t n.h5ir0c number but with different numbers of neutrons are referred t r8tnw5h*s7 r yvini.0o 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 elementggpmt q52rsu 7y1f3 qo7:s5ax have nuclei 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 defined(b;xvmnt(zz17 o2;u q 8mwtpa 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 separate pro fnqx1 6w pai6eq3)fy;tons and neutrons, the total mass of a stable nucleus ;63f)16x y wfepniaqqis 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, ener0q 0fbjul /4glgy 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 of*twcv1p 24u qs pjn53f 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 peru7eb94hj: xi g nucleon 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 nu8ub96pqe0 itpo92 p*o/wmtah cleon

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 stqv2q0zzbp)yg 9 rb3p7*chk1 yatements concerning the nuclear 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 between adjacent pgpm-.z.ll qa*y9 w/(gb d;tleupe,a2 rotons in a ne(a9ez,y qtp/gw-a;* dplllbm 2 .u.gucleus is

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 penetrajuu.n e+w0l1w te

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 penetram /wk vq8kyb)t0:gsu-te

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 penetratnx 553qq5l*lzag y2u be

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 alsu;d)k+ 6qy5vzz.xdsx; : d/utzdktp8o known as

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 kwg2-vn4h1wupm r:; io2atn. ne 8kjb4i0n v 5known 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 attracte7g-3*, hjd3in gzcuzf d 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 atomic mass equal tm3ep8qo(cba.hd y9v/o

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 emittu/ up0f;a :l- thmt ;uv,hzc6bfa6 vs:ed from an unstable nucleus, the atomic mass number of tuhm,fvvfaz tu: 6t p0: 6;-cl;b uhsa/he nucleus

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 nucleu4h) nga p(ajkq)0h ,qks, the atomic number of the nuc )np4kh,)(jqagk 0qah leus

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 representywx3-nunl+ ikk ij)oxq;-ydky9 y* ): s

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 most nearly the sprlrpj1(; t.w b0 qc4game 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 unju.) kzwf( yv3gn7 j,s 5u;rdbstable nucleus,

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 massv6we ua0 elh 5:h1nu-z?

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 qz +uh *q/qq*yhrfuq0u mx81j)+ o-vp, what value is conserved in addition to electry qf0 rhqvqzqpujo*q-8x+*/1+hu)m uic charge, energy, and momentum?

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 radioactive substance as it decayss5 bysfu-o1xyl(v1:t?

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-14 is xwv cj /a3) zxkx15k+goften used. This nucleus emits a single beta k/ c3zxj)1x5kv gax+ wparticle when it decays. When this happens, the 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 fieldz ( s9en52fc2g6hbovu to curve charged particles is 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 liqz:bjku av 29c ; zj,l0n(urvv1uid hydrogen is 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 bubble chambers becaus g4d+z magdn0b jkt406e

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 number of 14 and atomic number 6 has h tens2*,ti4i2rf a +fjow many protonsrtitiea2 fnf,2 *+ js4?

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 number 6 has how many neuq8 g r2fy5g/mbu.i kh dh+as8:trons?iq:/g+ 8hbf d.r8kga 52yms uh

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 calci0 p9yuu/xu g8t92jpzbum 39 are 20 and 39, respectively. How many nucleons are igjput/z92 y08px9uu bn 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 calcium 39 are 2ri2 qts, seq*10 and 39, respectively. How many electrons are in one at qs1 ,e*srqi2tom?

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 20 andn94vmsz5ocd1e2(v- ,,ajel iub t: ij 39, respectively. How many protoni(mi j2-,e,5ejvtu nloc 1v ds baz:49s are in one 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 oht(6 ygemgjz.f24:eya2*g u ab6nnh:y) 2fj 39 are 20 and 39, respectively. How many neutrons are in ohnfgfuy6* 2a(::h.ng jazge)to4b2y6e2jy m ne 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, the number of protons, neutron1e 3c+y9 /q0ja p5.eokgpmww ls, 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- dgt/3ctu/icldg;rn:4 ik 2g714 nucleus?

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 x-dyj7+jk:m,ht gsvqb)s d3 -has an isotope of 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 energy of ecfd)ldiy :r:2;pub/$^4He$.

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 required q)kj7, fif k6/h)znoq/p 0lbs 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 num(k3b ilj53g qt ft:s7nzum52rber 88 goes through alpha decay. Its atomic number is n rufm5tt3 j3n(gi sb7l:25q zkow

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 jy/l1 c bqka*zb rj+-i359oci it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daughter nucleu* b ob+ irkiqjczj3-cla/y951 s?

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 decaysv drgx: m7-2 ew 0u(:zu:bvrbf to a nitrogen-14 nucleus by beta decay. How much energy (in MeV) is released if 0m 2be 7z:vvg-rbuf: udw:rx(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 numbe-o t,9mey1no+ 27jya(o z exvhr 6 undergoes $b-$ 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 material is 45 years, how much will bjy.xu af6 f84we left after 100 yearxu.68jw y fa4fs?

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 an atom willq6lz 1zvgc1 j, decay this year if its half-life is 247 years lz, gv1jcq6z1?

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 ceaf 1*cc-2w,khkhywp5tj8 q n1rtified 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 s;o/sv z c5uh t5 gh(lxsams:7:ample is left atu7 s(ohah c lxmz:;:gs5v5s/fter 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-1/-rqziiz4sfyka(9bnds6 e 2 /37 is 8.0 days. How many iodine nuclei are necessary to produce an activity bki qi/nd s6(r/zsz2 f e4-9yaof $1.0 \; \mu Ci$?

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 ha ztbsed*5*,x:h ul.8crwg 5yas an initial activity of *sd5:rg,le.y ah8 z*cutwxb5$0.24 \; Ci$. 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 nh.mlio3u6n1 0lutq5 -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 carbon from a piece of lq6t3 nnollm5u i1 uh0.iving 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

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 take l7pa.* /uaw xo-6onnk$4.0 \times 10^{20} \; atoms$ 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 take tvy: k:y p*i2ojc6 2lixva;nihr(/4h 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, 2026-9-7 20:23 , Processed in 0.820459 second(s), 183 queries , Redis On.