无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

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: admin   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 t;j t:du1 /shxj-mylb 2he 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 is pyne 8*3r0cgc

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 cons(y- 9-ph dpitlists 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 byizq(/*opr c/u(qy2nh 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 number is dettn fa3 *w/nf4aermined 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 -dcxd *vypoa05o3mr c c3r*k .A, and its neutron number by N, which k* *do rcrcmv o-.5ay3dcpx03of 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 atzrt. 4z6bg d9eo-*:zys lvc1tomic mass number of the nucleuslsvb-zy9z:c16* e r.dtzo4gt

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 ogmyp (c1 +(sa4rsc-batom 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 n9wq s:dn5v(gs8 lm 1znk6v/h of a 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 neutrona.o rg.sov90(haij dv(ev ((ms are refiaov0ge(o(9a d( (srmj.v .hv erred 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 elementoq is-*shli/er8 f:-+ erb5ia 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 define i hv o(cg,f.7zx8xin7d 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 massf.6g eop+5dtay) juy;es of its separate protons and neutrons, the total mass of a stable nucleus is6.j;t )yg5 e +doaypuf 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 stabv6 e -*qihak2pc/oodou80h d dt(s .7kle 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 nucleush(nv4*f 8tg okde 9l-k 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 ll5; wc8pni(f 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 perh 24/ cxoiny09s un3ui 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 statements concerning the nuclear fxadf;set*yo83 +ghh:orce 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 me+m28q jfi1-k/g 9-cp6mdly hqyz+x force, the nuclear force between adjacent protons in mel26 pfjz mdgi+km y-89 +qxc-hy1q/a nucleus 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 penetratvzyi7xtg.* -sy+qo8 qx1 o q(ze

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 penetratio 79 (b iraop)tq-;t +g7phnte

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 penetraey x3a.3:xxdx te

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 n1jpso w*s1ka i870df 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 know w l/r);urfvif4le8 t8n 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 attracted totd wuvb3se:cx 1 skt96xj ;.2e 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 mafq:vc1hmpu,4qq6c cd ex3 itq;yg4 ) 6ss 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, the atok c-,k,ivykh7mic mass number of the nucl kvcy,7kh- ik,eus

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 evf2mdood 7mzfw ib gp;y7 :mfi))f5+9mitted from an unstable nucleus, the atomic number of )mm2+d wdofyz5b)vfffp;ioigm9 77: 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 - z29 o5qpqvq(r rg 8k6rMa) 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 nearl mb* me2 b* hjsr+a5(gsg-r zt;0ci0ldy 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 9-t aduh;rp8m lhq,ooma wvqv 0 ,qxm929u s66from 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 the most mass tytg)am6m0x 9y-6kwy?

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 zw 8bc4mcp- ,xradioactive decay, what value is conserved in addition to electric charge, eb-, m8zpcxc w4nergy, 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 dxq7 j +v-ps m958ldbkuecays?

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 s.)bh:em xz*i-14 is often used. This nucleus emits a single beta particle when it decays. :.h *be m)sizx 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 ny.jf3gr( enrh3bz26 wd:pu -a magnetic field 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 thay7+o *k z-ianat 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 been replaced by b3,ew aw 1;9ac)vbhizlubble 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 atom(hr-og;i: b mmic mass number of 14 and atomic number 6 has how many protons gm- bmh:oir(;?

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:wj 99cavyxl-,cqc0v9zapd 3 14 and atomic number 6 has how many neutro0clvd :ycw9c q-vpx3 ajaz99,ns?

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, respectivaze 17 wveox;8ely. How many nucleons aae7ewo ;8vzx 1re 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 calcizrr)p27b/huz9s z a,fexj+fvm37fp2 um 39 are 20 and 39, respectively. How many electrons are a),x2vmj72+bz fr7r s9zfehp 3 / zupfin 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 20 and 39, respectivel qh.qfujuuu70./8 pg fy. How many protons a q.f uu u8u0fj7g.hpq/re 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, respe0i)e l,gk6:yq.gvh rw ctively. How many neutrons are in one ato:60w)q.lghvyi, e gr km?

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 i ;adt-pxr er2/,4ty.q p1irl 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 twuk 577zu;w rjaahzi y1tpr 91t t1*6the carbon-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 15 has an isotope ozm0+ fja 5 bk mbtry2i;ksa+68f 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 ;k38m. kxfysgl4 3hhk gir)8j 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 one proti o97+ofrt*d ep8iwm.uc6 y;d on 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 decay. Its atomic number jk+znee h )b48is n e)8jk+b en4hzow

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 itjjx qt)09 g2oa undergoes alpha decay, what are the number of protons andj0qao)g29xtj 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 nitr(;z d sb4afb;s2* oozmed8.gqogen-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 14.003074 fzmsz8d4.oqa *d2e s;b bg;o(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 nup0vo ufr km(1:mber 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 ye4d b :8jtkelz/ c-( ty30miunwars, how much will be left after 100 yeard 8/0ezkmn-y(t:t4 lj wbuic3s?

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 this year if its half-b j7i:t k x0icw-l2*cglife is 247 yearl:tii *-bg2xccj7 wk0 s?

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 dgg w(+ppagq-b 18o u5$10 \; \mu Ci$ 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(0 h zw/kyf6y 7tte v37vcn2sb min. What fraction of the sample is left after7yz( kvs76/n2h3e v0ftwb yct 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 radioactive6drdzdx2 /(xko he6)w iodine-137 is 8.0 days. How many iodine nuclei are necessaryz2(6r d d6khex)/x wdo to produce an 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 ha)q+ a)d( dyqjbs an initial activity of byda) q(q +jd)$0.24 \; Ci$. 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 measurew r4f6 un49mild in a piece of a wooden casket from an ancinrml6uwi94f4 ent 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 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 tafg x s.x858b8nmos5ku ke $4.0 \times 10^{20} \; atoms$ 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 takk jf) ht6py:k0e 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://5edu.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|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

GMT+8, 2026-8-9 00:56 , Processed in 0.434460 second(s), 171 queries , Redis On.