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 part vae xpn/vz3a923 3royicles 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 ilh lq55wvvzyf10br7 ;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 consistwzp 2x:yck.u t e;/vo+s 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 determiea4363hqg iq:uid;/s bl 1lg cned 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 number is de yh 590spu.mun3pq2l (jokm9 ltermined 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 abdf.i w *r5li,h g;)rpu8o k+vtomic mass by A, and its neutron number by N, which of guph.5wfio)r8,i;+ *d bklvrthe 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 unstableb3d5+thn i(v6g:go( +cyd an e nucleus, the atomic mass number of the nucld6gv:3h5e+(+doabt (cgny i neus

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 kt d0 s+fs. vuepk;ueds. );f7in 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 ogpacb b8 lu/2ihu s)*cc j*(;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 differnxk9 tq9l 8a/qndj*f 1ent numbers of neutrons are referre kx*a9 nf9dq1j /qtl8nd 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+: 38eqgu ptpyej2/da i 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 definec8 ft4lyn x,n1d 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 hbmt r5ooo- ()rv-fpw7gy 0xq ) xx68rprotons and neutrons, the total mass of a stable nucleus is alway vxx-)w y rx r7r-hq(t5omob)80f6pogs

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/wu6ik 3e mhj1b cf,/i ( cb66.yii1vcsgfr0 y 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 ajp7 p-6a:4+-an 8 ipvtebocol 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 per nucleoed-h;hu be /b/n 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 nucleonda(x;qgu ont c99*,yt

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 nuc :n(l5ayc )9s fzxo lqh.:it,hlear 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 elecagp6y drio*qq-s h0 3*trostatic force, the nuclear force between adjacent protons in a nucgsd*h3qy- qp r 6*o0aileus 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 penetg w/tes.v gz*3nn pk74dv7r n7j 5qim -t4/kmurate

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 penetratad)gbui,yc 3ut.1 ,m;q ;enzfe

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 penetratez- s2()5fjw:dsb;nq elm fc 7s

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 knowgbw-t455dlqsm,e 7 otn 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 rxj4 lr.,czz7 known 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 attre4o5 4,t/ f ron2p.fsk 42k.dvzdtsh sacted 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 at 6eiqu2.qg)hn 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 emitte k ch9; )b l s)i:r08px7rqloj2jkun +/gcevc:d from an unstable nucleus, the atomic mass number of l)oi9u:l7kv:;)gq2b0jcskc hje 8nx prc r/ +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 unstable nucleus, rvd5fv5w; ) 2vwnp9as g17ms zthe atomic number of the ns1v5fzv wvd; ns ga5r p2mw79)ucleus

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 rpkphw(byq;iyyi2u zw. 6,jn09c/kk, epresents

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 f/kqbgged5x 112n,y x 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 from an jjy,o cqh8keyu:2/, ha go20 lunstable 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 massc u.(-lrs 1sby?

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 or- vmoz73r .vq0sa2 h-kybo2e f radioactive decay, what value is conserved in addition to elech a70re2qm 2.zvboro- v-yk3 stric 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 )zrkic2,jab n 8m-86q) tre rbof a 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 used. This nu *uv0s 61m scwwbyd6hcr*8+;,xp9r w)bwh b wucleus emits a single beta particle when it dx h v1* r 6u+wb 68wwwbp0c9hwc,ry;busds)m*ecays. 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 tha-2y wo0yo/jegn 4ptfv3a j1g 7t uses 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 thatoigac,8w7b r.)z- z9zhw2bvhm1cd .o 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 bubble chambers becausechag w:3ve* ke w9r59w

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 numbe . fs 7b9a5mgbewr(k7cr of 14 and atomic number 6 has how many protons?a7s5f( kb g w.mre97bc

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 num,8nzza u)z y+n tj(4tfber 6 has how many neutro( , 4tn+un)zyjzfatz8ns?

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, respecni gr0(bzx-mz4*k)ji tively. How many nucleons are in one atom?-n0)izi br (xg4k m*zj

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 and 39, respohh3vyy :6y6lv(w) stectively. How many electrohystvwlyv): 6o63(yh ns are in 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 ankts v o pn 0jr/rn0kcju:6x.9;d 39, respectively. How many protons are in one atpjrk:rs60cut0 j9;n no x/v k.om?

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 ann vfqju8u);,td mass number for calcium 39 are 20 and 39, respectively. How many neutrons are itu) ;,njfvq8u n 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 numberkqb,8 z/x p* vk644viht+m ume 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 carfle b 3hn39il-bon-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 its +l82 onrb-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 7xgu:lr3* ;-s h 4nbw- xhhxmbof $^4He$.

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 7obz15ta( omc8f0 fuzo; 5tulone 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 decayl u-o6wl,i. tfg5 ay1u. Its atomic number is nowilw,6g-5fuy. 1lot u a

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 ox*ghdmueml gp9oc /l2d 64 40and 249 nucleons. If it undergoes alpha decay, what are 29d lge4 4gmdl0oo/mp6 hucx* the number 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 decaysu zkhhj. 1xv8avmy,(( 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 (,z my8 (.hvha jxkv1umass 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 undergoedf eya2u8l 7y27r q(ppaqk; h:2wpew8 s $b-$ 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 ye: b/g z*8onbnt e1kudh29d2j earstd2b9db ngoe/z1*eknj h u:8 2?

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 krhw(*kw;4c safq (, wct2kp35;z paiits half-life is 247fz4s,katk;3( ;rcw*5 q2awich k(pw p 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 certl oq4q-k a:n1aified 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 o6b+u4; j+v mqt;driohas a half-life of 10 min. What fraction of the sample is left after 40 mio+;voujq+d64i;r tm bn?

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 radioactiveom tut9m6ez ,4 iodine-137 is 8.0 days. How many iodine nuclei are necessary to produce an actto, 4mzm 6t9ueivity 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 substancetdwz,7gd. azjq8 dmg+9 fb3 4y with a half-life of 3.0 days has an initial activity of a,+d 7f.q8 b9dg j43zgzt wymd$0.24 \; Ci$. 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 av 0ku ,v2y* qkw:vv2wu 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 livin w2*uv :ykvvw2u0,vqk g 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 ta0kjjp8;i )y-z js qxc0ke $4.0 \times 10^{20} \; atoms$ 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 takf s 4 rmoatul4,9pdq32e 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 20:22 , Processed in 1.471790 second(s), 171 queries , Redis On.