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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)7;rpfpg7owzdy 7stc2b wri;l4( ej 9 an electron in a hydrogen atom is directly proportionaf9s7py p d t;wgw ;2jb7lriczreo4) (7l to its

Correct Answer:    
Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Princip8x:t1 kh(-o w0e3pfgak gwhg+le.
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 infinir5+to ,wu*kqite precision is thw*, i5qr+kutoe

Correct Answer:    
Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measurm 7l4hg7 +.3mct emj(mwt a7jr :,jb+mz6rlziing the position of a particle increases, the accuracy in r:(zjcrgb3ia+m.7mwej4m6 thmt+7 l m, lz7j measuring its velocity will

Correct Answer:    
Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the q g9)4 sgs4myp**6unmslsubnwpg135 velocity of a particle increases, the accuracy in)ls p3s5pw6 nsm9gmuys4n* qgb*g1u4 measuring its position will

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" has,;liooi 8y0mk a value of

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum nu f9t;ginvo21nmber can have any integer value ranging from

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The orbital quantum number can have any integer 1eyit 5bg90ky ;qvs(q tm y1g/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 i b jlxy,;4yw4 vsq1hx;nteger value ranging from

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum numbel:jv ew s2e6 vs1g(g1ir can have values 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 1i fv;+w qd*ahu) *qzjpossible 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 magnetic qua cm c4rv16 f(p0i.lt/o b;a2y8iylfvcntum number?

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions on3yuwu, r +x(y7d2f8bvn bgh-fly 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 hydrogen has solutions onlyb1 5df ig ezzg9:jbpl,l+cr iqfg/.-8 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 solutiovz(l+ 5c+2;kmyx- qz(zsk d4gxurov4ns only if the three 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 n ksc*. 8cpjwy5dyn00ixg8u 4e umbers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  According to the selection rule, when a photon is emitted or absr jza prbn k75rys (h(1ti0/w*orbed, transitions can onl0nihjrtwa ry * 7/srkbzp1 5((y occur between state with values of l that differ by

Correct Answer:    
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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of electrons in a neutral atom is called its cyc1jvk1p k f6nf+( ;,1rtttb

Correct Answer:    
Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclusion principler+l/ o.q2 a-mvagr .wx.
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, 9*aw ddrvamih2ymz8) k.ep+ 9 and N refer tordapmd+myi9wv.a) 982 *ehzk

Correct Answer:    
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Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons that can oc :r;0fa 6nefqccupy 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 electronp)y+o +bdq b* 8xvky)z states are there in the $5f$ sub shell?

Correct Answer:    
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Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic tab gpt vzhy:l3qi+5eu8 (zp8 ng-le that have completely filled shells or subshells are p-85ghql(tu8:y3 epn +givz zreferred to as

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table whichak 66rop0p 6kd uk.5hh lack one electron from a filled shell are referred thk6ka0. r u6pohp6d5ko as

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which have a single outer s e+e6 b):w/ qz-e;ycxfgbnsb . alectron are referred to y;q: c xzwsb+ a6g.nf-e/b)ebas

Correct Answer:    
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Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an bx xgx51wz3p +acronym 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 p9rduxs+qzp7u7*r v3 and a piece of p3 xq7 7du+v9r zpups*rhotographic film,

Correct Answer:    
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Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illumin jujuqh49sdjus+:1q+ g2 bd 5kated with a beam of coherent light, it produces

Correct Answer:    
Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a hydrogen atom is confined to w97hi kue9 g*awpbsm/; jp +)syithin a space of about 0.110 nm. If the electron mas9ujgs*hy9pwima ; 7 b+kp /s)es 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 200ic :i +lo2k m-gr:nx1q0 m/s is known to an accuracy of 1 partxnr+mi1:g c2qo- kli: 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:    
Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A measurement of an elewoxf: h3ewtkw aj36.0ctron'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, with the spee1xe io85yn ar9+mrf u)i1 n;yed known to within 0.100%yy 9r)rf8 51an1u miexonei;+. What is the minimum uncertainty in the position of the baseball?

Correct Answer:    
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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. Wha7 vg fy(a9yby/t is the uncertainty/ 7yvf(y bga9y in the life-time 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 be confined to a regioi+ta5m1ckrbj0by3k. vugo (: n of width 0.1 nm. What is an approximate expression for the least kinetic energy itamokbb5jv03(ky:. +r cg 1 uit 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 nucleuss81+raa8oqw)y ; hqf pbl 1i6w 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 tbsi i 3)dn*,cvda*yejlw35 r 6he $6h$ 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 thhqu *z qemstp3 .+hw5(e $6h$ 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 in5: qm+a :m7)a,tkco2krda fpo the $6h$ state. Which of the following could be an orbital quantum number?

Correct Answer:    
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Mark Problem
39#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in acgk;+oeo cg78u,a 8t the $6h$ state. Which one of the following is not a magnetic quantum number?

Correct Answer:    
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Mark Problem
40#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given ju )gtjub.q27zzk;p pn/hg: 5 electron has n = 7. How 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 e390 8qdllih7(g+ ecabq)tnij(e1 nraf,,g bklectron has l = 7. How 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 elec*r7d+lftn(2am v33m q / yuruxtron with n = 7 can exist in how many different quantum sy ua2+tlxn(/dvmf 3q7u rrm3 *tates?

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 .p(fzzg rkcp-3- ,n qqfm(y0w4 ckm(kof the electrons has quantum numbers ((k(4pykfcw,q3qg-m n f pmz(0rz k-c. $n$, $l$, $m_l$, $m_s$) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be

Correct Answer:    
Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many electrons will fit 8n1j/ ,xapi s)u: hnzr;zn6hi into a $4f$ sub shell?

Correct Answer:    
Mark Problem
45#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The values of n and m/97h vn2yafrl for a $4f$ sub shell are

Correct Answer:    
Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has electron configuratio n32x(yb+ f*mwmlmk v.wt*m 2wn $1s^22s^22p^63s^23p^2$. 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 configfr*;h gx-(soof o k1gb:m+jc6uration 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 electron confi,*fr21at yin5f1sq :xjz3j jfguration 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 configutaz r3 f xl 0626k2rkr3mxohq;t2m qmmj ))o+wration for Li which 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 metal. The strongest pea/ fs4kc2qrhzjo 48ct + ot-n7xk is found for X-rays with an energy of 66 keV. What is the atomic numbe qc+n7- oxfcto4 z4h8/rjt2 ksr of the metal?

Correct Answer:    
Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the shortest-wavelength X-j9;x.hp4a0,dd j jjx pray photon emitted in an X-ray tube subject to 5jpax,p 0;jdx .hj49jd 0 kV?

Correct Answer:    
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Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps from a higher energy level to a lower one. It3 re7 xrw02radkd y4)f the energe72wra4y0x dt3kdr r) y difference between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    
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