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 partexd66 ,omm) wt6h+b ,zww mr94)nowyq icles 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 6;h.saxhtm-x hlu ( q9is

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 nucleuszw3a k+ (cnvyc a 9en(-e+pe5l consists 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 mbwvojnej 3-jpw7) :+tq 2xy3 determined by the 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 numbex5;wo7 phwwu2.x2jci-)vle9g kt (h xr 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 mass by exgusz3 :6hn; A, and its neutron number ug:zx h 3ns;e6by 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 mass number of pvjvsu+ jj1t4 1 j(cq94jzqi6the n1(vj6p4jqzi1vjqsu t 4jcj 9+ucleus

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 atomxvc):o)7g(xjl tl /mp 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 stableb)lwg u vp/5qzu/dr,:(+pdhn 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 atomixo-)w*po s 9 :j2ofxerc number but with different numbers of neutrons are refersfe9woxr -2* o)j pox:red 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 nucle p5n7 e3dkh *p*0jzarbi 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 de )+cm8;fjifpns z9e*ij le(d8 fined 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 prqw1r x+0gp.lt otons and neutrons, the total mass of a stable 1qp0gr t.+wx lnucleus 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 js96rthly1obokdb 4pl:p j6(v.2 o v-e 3apg6 form a stable nucleus, energy 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 a nucleus is contributedzvsh- 5l9iov lya/ 49f 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 pe;r4d5s q02zg. yupgrs r 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 nuclxav6gcf5 l02seon

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 t dh 93c 0jkgxra0 9zu*mqt3j,ix9enx k4wk 5k/he 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 forcoug+11w 8tv/2j1y2nw q iqg 3hq bau6de, the nuclear force between adjacent protons in a nucleus nwuvq+i 3g t/aw21hg 28obu 6qdqj1y1 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 penetratex:+ lq udci4oo gg+5s, fln8l0f4l9d l

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 penetra*c4e:x4nh tra 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 penetras bg(.l33)h*p)pewwd semx1 gte

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 know (r+v3d sb*dfkn 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 hvtg9*p cxfhz9a 7 2a0known 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 attev8 e4k epu:(bl1oifp26e j(y ,q:wjzracted 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 p/9o /pdkbuc ctv/(/w atomic 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 uns5(gbe4rjiuty n 7+9 p6-lueustable nucleus, the atomic mass number of the n6buu 5s+j (-lnpt iy7u 9e4gerucleus

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 nucl2/ ny7k+ yaoxaeus, the atomic number of the nua xko2y /ny7+acleus

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 931.53yan ,b kqt51d3hyj;p represents

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 nearxs9t*8asw/7 nttvfw 14ul 1fc ly 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 fromaj a1 z*txz::e 3wdkzx 0.5fynzh1w*m an unstable 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 th ;9.e qyubybw,7c5fkvcxq)) re most mass?

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 valuee .)ma 21xflrg is conserved in addition to electric charge, energy,rx ef1 mlg.a)2 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 decaysffs h5+j:.q eq?

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 .jz0z2aqkc :ois often used. This nucleus emits a single beta particle when it decays. When kj zz0a:2oqc.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 field to curve charged p-lzj-z bc),, wr7/rmd9to uat;kylo lg, uw82articles 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 liqui*.bw 6y */o8 g.ezii uzwzklb9d 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 bubj0m*(t yljp l,j fx/dan+2b5tab26zh ble 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 pxbf(xn :, zad1:ij3m mass number of 14 and atomic number 6 has how many protonsf: p:zx1m(3nd,xjiab ?

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 1xw3fr-8 z8vs ig9 )f ri9nidunumber 6 has how many neutrofr) i i1fn9ixvr9wg83d su-z8ns?

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 nw+nr3u g a:-hyumber for calcium 39 are 20 and 39, respectively. Hownhr+ u3g-: yaw many 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 calcium 39 are 2e,r7)q,pn r1q gda ztagd+:lq1wn). q0 and 39, respectively. How many electrons are gtazqn)d,:r,dnw 7+)p qg 1alq qre.1in 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 numw h6+ 4ifg(ajdber for calcium 39 are 20 and 39, respectively. How many protons are in one atomf i a+dhg4j6w(?

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, respectively. Hm*cfm1qt+fbl j: h*c z)g/)w uow fw1ql)gc* jz*/)+ :tmb hcuf mmany neutrons 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, the number of protons, neutrons, and electronsxb z9+* rtm7d7iy9ux exr(;gv 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 blxe xjhfh fpqr7 r*k;7w+- .3carbon-14 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 j2zyl7h 9.gvk15 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 ehohs3t9m (p( (wib yer.n-1o. edyc6hnergy 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 required to remove oncyv8cv 3li6;j ) n-iare 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 number 88 goes through alpha dec))k*r qtosjf,7 bwt ,iay. Its atomic number is w)k*frtbi s,qt) o,7jnow

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 undergoes alpha de:er40e *ejjkf9oz kfg, ;aj lzl 34mr9cay, what are the number of protons and neutrons,j,;9a:j lfzm4ze3ojg k4r relk*0f 9 e 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 dei:z:fj+tk 8yd nlk(cn(1qgt1 ,3 ;czvapupo-cays 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-14 has a mass of 14.00307pl :ntuc1,z;y: pikn( otvq f8jc az+- 3dk(g14 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 under)/cy:; pc z(ac j9lb i,qvdhdw7y-w,lgoes $b-$ 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 materi ig+uxtsr7(qp)n+/ ,p z 6nd.tfmgl:ial is 45 years, how much will be left after 100 years? pu ni(inmt+gz +p sd6l)qt.7:g/rxf,

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 will decay thy6pg )tmk:b,rbl x-t 2is year if its half-life is 24p6 mtg b,:2y)brkxl -t7 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 certified a) wg64blm0rcs.9cam ot $10 \; \mu Ci$ 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 mr b*.mrx4k gdn769ayhas a half-life of 10 min. What fraction of the sample is left afte6m7rbdgxka 4nyr .*9 mr 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. How5edhe4s/ avg; v2pgu )dj 7e3d many iodine nuclei are necessary to produce an activi237)v ae4 hv dej5g;ugsded p/ty of $1.0 \; \mu Ci$?

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 oh4h x hel)b:x0f beh4 0x hh:xl)$0.24 \; Ci$. 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 piece of a wo319fzcq-czny kox80 ai:4 z 8 okc(nzjoden casket from an ancient burial site was found to produce 20 counts per miknoxczf nq z3 8c y(: oza849jczk0-1inute 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

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 takeu2 riwv // lfmtgq/0. tp5ho atfy*6y0 $4.0 \times 10^{20} \; atoms$ 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 h2djyvo jy(vs1. l) s8a $4.5 \; Ci$ 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
本平台(https://51fly.win/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

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, 2026-5-25 21:40 , Processed in 0.486244 second(s), 172 queries , Redis On.