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 l i,ylr10krn0ij.ni -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 i :j(b:gzxxd(a s

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 coj0cuy lm ,qnrk/79 ve1nsists 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 numbcwuot :khh1 y av(vm) q3+d,0cafb6.r er 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 number is determi zlrwh1d-i)fac 755qc ned 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 A, and its neutropl - -tbh8vmgkmqp9n/a8:kk9n number by N, which of the following is correc:apm9qlk8gpn k tmb h--kv89 /t?

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 em3kux . 1bp nt7lt+lb/ .rj,ukmitted from an unstable nucleus, the atomic mass number of the nlm.r but+x./ 7n1k3bpuj,lt k 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 atom isdv)bm7 -eobfwue;pdd,ay /bm+4. j7 f

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 nucleu;fkqa7 vz8( + qnjhn*1; syvils 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 ofok64)cv+5t l;g tp fhr22mavf neutrons are referred trmk2apvlfo ; 2fh+5vc 4gt6) 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 nucleifi(9 8x0impf 4riqp;v xq/ng( 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 os .rcw5f*+- d-fuhwd is defined 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 prfdmj74w 4dq1sotons and neutrons, the total mass of ad 4q mw1s7fdj4 stable nucleus 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 qe .vv8 :p/1ztod/fn)w-hkd 5 mz jubmyry-82form 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 contributed0rpocxq 3wl 4f;cao ): 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 nucleo3px llrxp;:7l qxk+8+e 1dv xgn 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 p ix,w5qcu1i3lt .8gc ker nucleon

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 sfh, f0epi bz(5 8s:mnytatements 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 electrorc-1m+(-e4wn ysrjz4.uzfhd static force, the nuclear force between adjacent protons in a nucleusdwfc-uy (z hs j-e 1m.4rnz4+r 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 penetratexa6e3i c fo)kgz3m 5 vra0v7m2

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 penetrat3ya ttc /vb.enx* e6f8( nbx0o.pl5ite

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 penetk5yj/w- s g uk-- 8))rvt dlq*nzpg6pwrate

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 alshjjsd p7c 9jmz8c h;-jl.95roo 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 kph 0m 1/ly4mxnnown 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 attr br*e ws re2zw:0/50t8i abnviacted 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 to0a svp v9q 08uhoun66h

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, the a+b4pa 3zdi7t etomic mass number of the nucleus 4 paze+td3bi7

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 unstab6 - ybthb,pknm5lte7jv,, e6cxr0cp( le nucleus, the atomic number of the nucleusbklje7yce,5-0rh,mx tnt(, vc p6 p6b

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 2cv 70vfcxm fr x(n-,ab 8-mvch+6w sb- Ma) x 931.5 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 nearly the same as a ga(9 4uh-ca 6 l,rfmjeahmma 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 unstablexdwh5sy2o ( o6 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 q 2k 7fe9m;.az4h w/06rd:bzesyjl ommass?

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 radio jrae s4d 0j-b2scr1r8x 8gvg(active decay, what value is conserved in addition to elecr-escbd(0 4s8rgv x18 2rj jgatric 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 dg+o5q(0w ahd 8x)t ppv8)o wbdecays?

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 of j e92ett/a+obten used. This nucleus emits a single beta particle when it dj2 + b/e9toaetecays. 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 field to cuing ; )(o. 9jxod4khwprve 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 tw* n+nrm*4/j:xj -vbkbmcdm:hat uses liquid 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 fd4 )b8ug9e( k1rnfwn been replaced by bubble 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 number of 14 and atomic number 6 has how manc0syuw ry3+fd:c5a rb(m 0pdxb1 /o2 sy protons0 m +0 oxdyupc:rw(sf 1523b /sdybrac?

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 5t dg3)6asq swdohkj n,f62s86 bti 4wmany neutrons?wnw2t6d 8)4osb j3i dk,f tshg5a sq66

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 nudw75+t b(zn8-iqi u dvmber for calcium 39 are 20 and 39, respectively. How man v t(u7+58i di-bqwdnzy 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 20 andq+*-ozl qx8k2b6f p4sq *mydl 39, respectively. How many electrons are ifol4- zdb +my2sq qq*8k*xlp6 n 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 cal,io9q,uzf5 3 fj,di 2r mkdak7cium 39 are 20 and 39, respectively. How many protdz d9am r 2,ifoqjkk,i,75uf3 ons 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 39 are 20 and 39, respep-; vbj.x o , vhxxb)roqfzaf;,.w35pctively. How many neutrons are.aq ,brpo)bv vx-;pf .fwh o ,5;jzx3x 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, them e)1sqzra9lf(w g. *s 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 1lg* l y1zl ,y-9rxfbonucleus?

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 of mass n:ya/:jmkri l3/dt0m w0 7j lofumber 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 jyov68 :b2/s wxl ptp;energy 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 requiredn4h rfj ko+sae,7m8d 8 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 number 88 goes through alphua,o3cdiq j8eo. )ra,rsz/ u* a decay. Its atomic number is r/j3rud)eio c *s8,az ao,u .qnow

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 protowfeqpx/,+:s34 q/;he0h by*kc lmtrzns and 249 nucleons. If it undergoes alpha decay, what are the number of protons and neutrons, respe +bw /ezhshpyr ,q;k/mx fl*teq04: c3ctively, 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-14 nucleus by beta decay. How tkc,5z-z,zgl8c ,7loid g,od much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u a 8c ,odl-,,lgzk c o5g7tzdzi,nd 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 atomicq v3w4w ;y ui/p90.dqq lq3yty number 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 be left after 100 y r2.n u.qsdjz5 tmx8j8.msno1pj 0jq0ears?r21 j m5 8p qsjx0duz mn.jst8.no0jq.

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 thi(d(g +cdab n cucd2/y(s year if its half-life is 247 ye+n( ((ybdg2 /cdaud ccars?

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 at gtzvpa f4.wj9(mtxk / lun;/ 20vzbh0$10 \; \mu Ci$ 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. issmp4/ur pg::xia0 9 What fraction of the sample is left amisr:saig04p9xpu /: 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-137 is 8.0 days. How many b +9e e-ozb0o21rpyva uk)y 3ziodine nuclei are necessary to produce 0b12- ezpeka yz9+by) urvoo3an activity 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 initizt gjl4 jg0(+k9h2qsbal activity of t0hz 4ql(2kgg+ s9j bj$0.24 \; Ci$. 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 carg x (qz4 upuehs o-ud2i1g8-h,bon-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 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 q2-zsuhghue1gupo8d, -(x i 4 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 tat,: 0+l; ooxlyasnge9ke $4.0 \times 10^{20} \; atoms$ 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 takn 9pp0f* y dg8 fi:c9uak+qlp*e 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
本平台(https://autodiscover.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, 2026-6-6 11:30 , Processed in 0.532629 second(s), 172 queries , Redis On.