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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 an electron in a hydrogeigo hxzts+k.:a;i4mph, 78wc n atom is directly proportional to itszwmhg+,847o .x;ih kpc ia:t s

Correct Answer:    
Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncert bktb j/ ig6zs1m41zz5ainty Principle.
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 with9l tka-*ro af4 infinite precision is l9 a4taofrk*- the

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in mhl -ki6bo1qzh(t im(.equ z .,easuring the position of a particle increases, the accuracy in measuring its velocity w-iz((k li6,ohqmqz t.e. ub1h ill

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 particle incrnr 0bs2co xckr8:e.;seases, the accuracy in measuring i28s.cc o ;rsen0bk:rxts position will

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" has bc5ckd 5nlfd6 + 51w8dewi0d7t h9tnra value of

Correct Answer:    
Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can have any ae7amm b4 1901tq (xf (twwizcinteger value ranging from

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The orbital quantum number cancsgy291aeb :zf:wae 7 i4hv8d have any integer value ranging from

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum number caws* ;xevml/ 9vn have any integer value ranging from

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number c97nyn xl+1 xw1sf uh4jan have values of

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If l = 4, which one of the following is a possibl* ,s(5bhwa ktp dlt5;ve 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 followingfh9)fhxbevru 0qvs8+ /iyh s1) ;w o)n/f3qmj is not an allowed magnetic quantum number?

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has sol2nnoydfb/m4u.k 0 0os; h3tlc utions only if the three quantum numbers $n$, $l$, 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 hyd(zhq)g8ss;m cf,sc9w+*k e xp rogen has solutions 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 three quantum *,-*xkvdnop s 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 quaf9 ;vkcv 8azyb5 2;vg/ qdf.xrntum numbers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  According to the selection r/ hphg4o, dtps7j h+n-ule, when a photon is emitted or absorbed, transitions can only occur between state with nptg7ohhd/s4hp-+ , j 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 a neutral athi 2 on9a-dql )j5ufoad9iunt 0f) k00om is called its

Correct Answer:    
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Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclu)i (cs3j xf eruls,3+jsion 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 electron configuration, the letters K, L, M, and N8u*wljiz ;f a/ 2q fm.knl;reh55zqg/ refer tq;*e fl2 z5qu/gr/ham 5nk ;jli8fzw .o

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons that cj16ft i) *zeocan 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 states are there in t *m n:v+i7 ,gdhvlxn7utyfm82um d-b6 he $5f$ sub shell?

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table that have compe ;d-a/3,g ei)gjcbesletely filled shells or subshells are ref bgea/d ;,eei3cjg) s-erred to as

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodf3p*-pst :ianlk x f4 h9i)/qbic table which lack one electron from a filled shell are reb)9asil pnihxqk:4-p *t /3ffferred to as

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periojx d j-(m;5jxjb9r i:rdic table which have a single outer s electron are referred ti;x xr-jjm j5rb 9:dj(o as

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronym))vl -xyf y)mm 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 additiot. 3s :fimytzvj2r5r) 6dim 6wn to an object and a piece of photozr 6rf ts.52)6i:ji m m3dytwvgraphic film,

Correct Answer:    
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Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with a beam of coherent lightqddio4tymn .4c2+-9hcz*q q*ui f kv 9, it produces

Correct Answer:    
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Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a hydrogenhe+c+. b /v19pazchnc atom is confined to within a space of about 0.110 nm. If /p1v9 h h+ccnzacb.+ethe 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 know u,lhnwg jj0ma:,,,esl79cth n to an accuracy of 1 parjj0,mwlg:, nce a9s ,,ht7u lht 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 electron)exqpdm54d7h beiyc 28wn ljt*-i / ;b'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:    
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Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A baseball has mass 143 g and y7 m g5jtnpm+-speed 45.0 m/s, with the speed known to within 0.100%. What is the minimum uncertainty in the position of the baseballgjyp t-7+m5nm ?

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy of an electron stabl:h9 gz 8vk5vn+jwxn +iha. vx )57hnte has an uncertainty of about 0.500 eV. What is the uncertainty in the life-timej:+ 5x)n9 vixh n w.+khhv5g na8zbvl7 of the level?

Correct Answer:    
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Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron is known to bl.0t2fv y;(00aej yjtf1ieni z(r+ rwe confined to a region of width 0.1 nm. What is an approximai fw( zti0vejtf+. l (rjynare01y02; te expression for 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 do 5-g(.jb q4g gpk:nenucleus is 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 the)o: crsz,y3 ym $6h$ 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 shd 8e*xypauf 3kk//kj1i4 e+the $6h$ 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 t8egi cif7*r80xz g8 sche $6h$ 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 y ou .6+4smb:;/v(zlqf wwtdy the $6h$ 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. How mwv th16cygvd9 -ap /f-any values can l have?

Correct Answer:    
Mark Problem
41#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given electron has l = 7. How many values clu,fk -c;e2s lan $m_l$ have?

Correct Answer:    
Mark Problem
42#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, an electronp5n7oyxc3h*;su q 3-k *wjqhh with n = 7 can exist in how many different quantum states?*3wxju;k3n hc5hp7 q*shoq- y

Correct Answer:    
Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium holding two electrons in orbits(5vnmd,,h b-za) s v6ijukb). If one of the electrons has q5,6kv s-bimn)ha)uvdbz s (,j uantum numbers ($n$, $l$, $m_l$, $m_s$) 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 into v acy/kn1k:c8 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 lq rtd1i4jd/e7 for a $4f$ sub shell are

Correct Answer:    
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Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has electron configurati xnc0m;d4-g mqon $1s^22s^22p^63s^23p^2$. What element is this?

Correct Answer:    
Mark Problem
47#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has an electron cong1fok tq41 lw3figuration of $1s^22s^22p^63s^23p^2$. What is its atomic number?

Correct Answer:    
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Mark Problem
48#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has an electron co )b,o19dkwr, i-2f6 ap .a2 nllnlhbdwnfiguration of $1s^22s^22p^6$. If a neutral atom holds one additional electron, what is the ground state configuration?

Correct Answer:    
Mark Problem
49#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the electron configuration for Li 8*6f ci jbvb;pwhich has three 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 meta4xxjk//ps;y h)iln4c(wey0 i l. The strongest peak is found for X-rays with an energy of 66 keV. What /s n)cx ej yx(4hwi ky4ip/;l0is the atomic number of the metal?

Correct Answer:    
Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the shortest-wavelength X-ray photon emitted in an X-ray tube subj4.rp.8s ;8y4a jjtg2c lashf,q fxri +ect to;rphaj+r.482s.i8xqg t4cj y alffs , 50 kV?

Correct Answer:    
Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps from a higherfrcgrtnnchg:w(;; 7bm )po7jc1d h1k:6j 6 ve energy level to a lower one. If the energy difference between the two levels is vc 6;g1opc: 6r7:ewm jh c ()g;fbnjr1ktnd7h1.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    
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