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PRACTICE：Physics Unit28: Quantum Mechanics of Atoms
本Practice来源于https://webassign.org，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 327 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://webassign.org/test327.html
 Author: physics    Total Marks: 52 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月01日 10:44  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The probability of finding aqtkfir3f 5l jw * n1*g:3hm0ygn electron in a hydrogen atom is directly proportional to itgqfyk m5*3wi*:30rfhln 1jgts

Correct Answer:    
Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Principle. 8xp3 hali/j2x aj84ln
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the position of a particle cannot be specified with infinite pre. hbx6cvi0 c*7us, 7:eehehv bxqk8u6 cision is the,0 7e6:uhxb6cei sq87.x v uhe*ck vbh

Correct Answer:    
Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the position of a particle k jx4rvp1:+2:xn cc lb/cwtt0increases, the accuracy in measuring its velocic0xptb rcw2k 1/+:l:4t jvcnxty will

Correct Answer:    
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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the velocity of a partifup 8,io1(q ;l 1w0yts-b nazycle increases, the accuracy in measuring its pos y(p08u qlf1-tn1;oza wsiyb,ition will

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar")wxl ;, esgdg-*+ ehcy has a value of

Correct Answer:    
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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can have any integer value ranging f bhdv4z + h3zua5s*6forom

Correct Answer:    
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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The orbital quantum number can have any 8yp)posaf u6 +xbcjsqm,a g(2k+a:y(x4 zd* ninteger value ranging from

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum number can have any integer value ranging fromg 8zv0f6 afl6fmu8s: d

Correct Answer:    
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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number can have v2g8*dc:xkl1g iro;cvalues of

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If l = 4, which one of the following is a possible;a(wd5db58 /merarudn *3o fp quantum number for n?

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If n = 5, which one of the following is not an allowed magne/nfho :yj.qc rc w);u.tic quantum number?

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions only if the three quantum numbers(vx9 ccexn5+n.p.h*(jsqotfb a yz/+ $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n

Correct Answer:    
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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions3 7 lf tcg4bdgjruo8.: only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that l

Correct Answer:    
Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions only if the thra(y 4,p frwguy+:g 1us1uk jw4ee quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that $m_l$

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the ground state, the quantum numb ll),/ odhy0y*b7sj vuers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  According to the selection rule, whe tknig-kzy 3(9n a photon is emitted or absorbed, transitions can only occur between state with9(3- yknigkz t values of l that differ by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of electrons in j(cwi /wua;/eqa;kz*a neutral atom is called its

Correct Answer:    
Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclu 1dwjijvb7*,(3 i, msk1gwtr ar rm:6esion principle.
Correct Answer:    
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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electx0z3hfwm w 04hron configuration, the letters K, L, M, and N refer to0ww x3mzh0hf 4

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons th0l)-it 4c+nm; r. aaeio d*8wpbyfqj )at can occupy the $g$ sub shell?

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many possible sets of quantum numbers or electron stj:u 3zu)mpru25 bpr *dates are there in the $5f$ sub shell?

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table thatdu g 8*t3p2jpa have completely filled shells or subshells a3gdp2u * 8ptjare referred to as

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which lack one egb 8sdad0i+ ( a+b*wge6hf.s eh8 4etalectron from a filled shell ab+ eids4e(d.a8g8a +sbhtwfeg0a6h*re referred to as

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic tabl8c byx8dto gz).3gl 9 2gp2ldtp1vac.e which have a single outer s electron are refexd ztpll3 cbgv2ytad. .p281o9gc)8g rred to as

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronygaen f98j81(w .eboc ym for

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In order to produce a hologram, one needs, in addition to an object and a,krt9j;76m orq axil 3 piece of photographk toi7,x6qa ;3 rlrjm9ic film,

Correct Answer:    
Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with a beam of coherent lighp or tkydtpk-mhgw ;3*d(u *nm;h3l2; 7y6nhnt, it produces

Correct Answer:    
Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a hy x/)jc ho6zh)pdrogen atom is confined to within a space of about 0.110 nm. )6j/cz p )hohxIf the electron mass is $9.11 \times 10^{-31} \; kg$, what is the uncertainty in the electron's velocity?

Correct Answer:    
Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Suppose that the speed of an electron traveling 2000 m/s is known to an acc.t7h8g(ky ectm/b hg9uracy oteg7/h.98t mkby( c ghf 1 part in $10^5$ (i.e., within 0.001%). What is the greatest possible accuracy within which we can determine the position of this electron?

Correct Answer:    
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Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A measurement of an / fvu4asn8a)9l6 cry9yku ch9electron's speed is $2.0 \times 10^6 \; m/s$ and has an uncertainty of 10%. What is the minimum uncertainty in position?

Correct Answer:    
Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A baseball has mass 143 g and speed 45.0 m/s, witry3pqy x/wa89- pobda)(nq 6dh the speed known to within 0.100%. What is the minimum uncertainty in the positioy3wro9-naqpd 8qp)6/ya dbx( n of the baseball?

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy of an electron state has an uncertainty of about 0.500 eV. ;f zdydzzgj.wq 9-o( c)ezr+4What is the unceez .z yddg9- (wf)j+zrq4c; zortainty in the life-time of the level?

Correct Answer:    
Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron is known to be confines p*ro r s.*xiyn),,vwd to a region of width 0.1 nm. What is an approximate expression for p.s,von,xsyrw *)i*r the least kinetic energy it could have, in eV?

Correct Answer:    
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Mark Problem
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The radius of a typical nucleus qm oehgknx6et9p- 8b*04;qfuis about $5.0 \times 10^{-15} \; m$. Assuming this to be the uncertainty in the position of a proton in the nucleus, estimate the uncertainty in the proton's energy (in eV).

Correct Answer:    
Mark Problem
36#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in tut:tm e6bjem9p+ .b.i6 t5 caghe $6h$ state. Determine the principal quantum number.

Correct Answer:    
Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in the v00qr q xi:fj n.88rmv$6h$ state. How many electrons are allowed in this state?

Correct Answer:    
Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in the xh+hv 8tj vxu;m p3f6her++csn57w9k$6h$ state. Which of the following could be an orbital quantum number?

Correct Answer:    
Mark Problem
39#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in thez ;5 plz*dozk0 $6h$ state. Which one of the following is not a magnetic quantum number?

Correct Answer:    
Mark Problem
40#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given electron has n = 7. Htgy)(9xixqrm b*u+h - 3e/e pgow many values can l have?

Correct Answer:    
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Mark Problem
41#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given electron has l = 7. H zxezj.q*u :k+ow many values can $m_l$ have?

Correct Answer:    
Mark Problem
42#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, an electron with n = 7 can exist in how many di np0v:u0c.oxi,fl1y 7km(plh fferent quantu ,o(1yl iu0nmh0xpp:vf .7lkc m states?

Correct Answer:    
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Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium holding two electrons in orbit. If one of the il*3shlmm1: 5z0dmpp r ;chn+ electrons has quantum numbers 0nd+m51ll3 pimcsphzh:m* ;r ($n$, $l$, $m_l$, $m_s$) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be

Correct Answer:    
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Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many electrons will fit intohc-jad 0m0: 6vkf k8u0feb up, a $4f$ sub shell?

Correct Answer:    
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Mark Problem
45#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The values of n and l forr(4jn69lum) kixdrmdu28o7-d2 rdu f a $4f$ sub shell are

Correct Answer:    
Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has electtl5v pvca5+htofd5;r m3h 38lron configuration $1s^22s^22p^63s^23p^2$. What element is this?

Correct Answer:    
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Mark Problem
47#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has an electron confi4kr:tq *q :hgiguration of $1s^22s^22p^63s^23p^2$. What is its atomic number?

Correct Answer:    
Mark Problem
48#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has an electuyt )c 1bmr bnl)1wtu-2-tz 2ge)1 xuuron configuration of $1s^22s^22p^6$. If a neutral atom holds one additional electron, what is the ground state configuration?

Correct Answer:    
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Mark Problem
49#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the electron configuration for Li which has th6ic rftb w -x(xci4w7am.d/ (rree electrons?

Correct Answer:    
Mark Problem
50#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  High-energy photons are used to bombard an unknown metal. The strongest peak is vma+7a- xs cr1ycla e66hk h5bbf,* wxrz59-rfound for X-rays with an energy of 66 keV. What is the atomic number of the metav15erc6*syz+hmf7a hr-k xa ,c9xb l 65w-rab l?

Correct Answer:    
Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the shortest-wavekb :15lg8/ l1b;juf3tm wjmsn length X-ray photon emitted in an X-ray tube subject to 50 k nubjkb83sgmt1m ;:5 1lj/wf lV?

Correct Answer:    
Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps fru 4y l4pzccy)0h6p :kxom a higher energy level to a lower one. If the energy difference between y)4u ppzh l640:cycx kthe two levels is 1.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    
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