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 partic0cw. gziz5d)z lbh*5 fles 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 isf+bedxpi+ )w ( m9/abstgs1 kyvpt;6/

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 con-z 28e(prf/zw7vwrlysists 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 num s-5k;bb el5n8*tpkllber 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 determined by the nhj0p2wkj8uj0y 7 elern .q tpx9 j*x/3umber 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 itffe:(np r(6 cgs neutron number by N, which of the follo nr((efp fcg:6wing 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 emit93i 2clagqt.qhc, z )vqqf7-(nz1zgbted from an unstable nucleus, the atomic mass number of the nucleu 1-c zqgf .z39(q n2t ,vzhqlabqic)g7s

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 a6x:de +m +bdahn:2tbk tom 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 nucleu zib:ssk g f*n1d/n-q/s 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 numbewc,k hr-pp chpeyl5iu;cg6ppv- 8p8 .x,5q 0yrs of neutrons are referred .5k8 08wpxplg-h ,q y6u;,rpecy v-pcpic5 phto 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 z j:/,xcwp ,rve qb k0c1q6b6jhave 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 deffu*cpfe /vdy2 m n0)r+ined 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 protons and neutrwb atf6e-iu *9g btwo wj)x/0yaz)30pons, the total mass of a stable nucleus is alwaf0pg3eb0yzo *jbwiw6) /-a utt wx )9ays

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, energ1jt2 q)(tkhmd y 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 i( ,7r:y-:z5hywjr 4d zrvsnyes 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 nucmur:ny b,x9 9rleon 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 pe9sh1c.qxvls0 cen t6g l8r 87ofvb s)1r 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 8 )v3kh67yyet+ z suol+d.t0uh. *nt9 uaqcbb statements 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 fdn:sph/ jh (v79aywk 6orce, the nuclear force between adjacent protons in a nucleus y/7swjndhvk p9 :6 ah(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 penetv ;5lvcoaa *2nrate

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 penetrates :f4q,(:xpe 4jcf xbs

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 penetrgaykoq u f +.7 9w, ,-wejptnjrf80je5ate

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 als yq* gw sjirpmxnl,8. 6smx7,2o 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 knowndy*-v* wvyv/vbq4 usy -( xgn7 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 bw7 0gu2aur3va-sb.2 pk / rsqte attracted 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 emki3: ;fp+ d(vci 0q9 e(nrmwyqual 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 unstableu8h3w;i(i ziwi d(4le nucleus, the atomic mass numberz;3ei(duh w( 4 8iwili of the 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 w xv,kfq9hulmx -2z )-unstable nucleus, the atomic number of the )x -wmqlkz9fv-uhx ,2 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 represe i 9k atne)u5: 9k*ipmrzpy7t1g24ddants

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 nea2celf jsk 8n *:wil-g:rly 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 frr-rak)ds o0el f7vl (.ica5n.om 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 thesa )u5dz78o iu 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 value is conserved in addijm*h wej z9 a9ro.nayh g,+:c(tion to electric charge, energy, and momentc.njw 9 9r ,+a*hzom: ghayej(um?

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 bww-dy 99aub/u464 h f2qr6hntr1dbya radioactive 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-14 is often use,gvs 8q2mb syxg*d m1(d. This nucleus emits a single beta particle when it decaysmgd(* 1s 8yxgm,b2qv s. 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 curve chcoxl2x :s71d ov +- -xevzy.sgarged 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 us;njf9 5djfcw1s8o cv,es 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 b 1a( atuw z+i z92by0xkefk;ag3z.(h j61rkidubble 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 nn,/dmcj s.sth(id 06 mass number of 14 and atomic number 6 has how many protons(mnsj,6/0n d.is hct d?

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 atomim(q)i/xf pw4dc number 6 has how many neutronspq4id)mw x/(f?

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 8tk w whwz jxigaqz(03q-g9*,g0:u ny number for calcium 39 are 20 and 39, respectively. How many nucleonsz09ak 3tun8: giwj (ghxzqq0wg-*, wy 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 20wqyt*u,q5f e . and 39, respectively. How many electrons are in one at5 .ef wutqq,y*om?

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, respectivetel(lts w;49 ely. How ma( etwe s9;lt4lny protons 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 calchq 7:57yi.ra ,f;fnvu ia+jwdium 39 are 20 and 39, respectively. How many neutrons are in one atom?ywhf .i +5ja7vnrfq 7,i;u :ad

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, arl jf2362zdao nd 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 nucl37 qr8euou:cxeus?

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 2k.x7d6 ndafmmtf,v9 number 15 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 eng5nj ut9 dt58k,ueik6 ergy 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 proton from h qve2( rm*kdfw ;0bg 2;rpk5,f1c oyl$^9Be$?

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 mm1gcy2mtp4syybr+c3;yg -w1r 8ucmc.-o; tdecay. Its atomic number is 1c g ;1b8m + t 4-ycoyy;rc23rwcm-gymupstm .now

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 andv7e0q-kk r gf/ 249 nucleons. If it undergoes alpha decay, what are the number q-ekvr gk/07f of 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-14 nucleus bydt1o xjkuu)9gke2 )z 0 beta decay. How much energy (in MeV) is released k)k g zuj1tde)xo2 0u9if 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 underghw,* oyka5pw; oes $b-$ 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 m0aagrt s9, ih67 g3* b-oowuecuch will be left after 100 yearo hgarws c6a3,*07ig-u b9oets?

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 a8 5(ii1h5kledc9sn kttom will decay this year if its half-life is 2478n5d5c ke9i1khl( t si 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 certq 1y6p1o v,mymified 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(5w w3ciboc-h. What fraction of the sample is left after 40 mi(-cb whwio53cn?

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 m z )s5vfw7v5thx0qv:oany iodine nuclei are necevf xvh)v 50oq5:sztw 7ssary 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 has an initial acp/lu pc wxr,5-tivity of /u5pwc p, x-lr$0.24 \; Ci$. 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-1 f;kngso2u 3qyxs3y n)( nv6q ,n14lif4 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 vl yn)3 1(s knxsq;u y2q3o,ffni4 6ng160 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 5cwu8h53er nd)pn v )c$4.0 \times 10^{20} \; atoms$ 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 :dqubc n1lfc0 6h8p(5rmbr+c 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, 2025-12-20 05:37 , Processed in 0.616674 second(s), 172 queries , Redis On.