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PRACTICE：Physics Unit28: Quantum Mechanics of Atoms
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 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 hydrogen atom is di,:x:oanyf 5xmm mxuu7d5t7:grectly proportionad 7aouy,:gx 7umm ::55txnx mfl to its

Correct Answer:    
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Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Pr*uu+hoi 0ng zl++:)y myc9fnminciple.
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the position of a particle canvlx-r)0l tr) anot be specified with infinite precision is -)r )x0 tlvrlathe

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 increases(43abpc)dwv)gp- fpxnq)db- , the accuracy in measuring its nd4vd wb3q bp-)xa(cpf) p )g-velocity will

Correct Answer:    
Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the velocity of a x6d o m:k/3mgt)oikkr oe021eparticle increases, the accuracy in measuringg)toem:r me ik 6/k20ko31xo d its position will

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" has a valuwfzl.w )ar, h i6:sxxfp+1a:qt2vu6 ge of

Correct Answer:    
Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can have any integer value ranginx a/1;zfv0ozrj d:tp-g from

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The orbital quantum number can havk9t7gbi (yiuqlem) /6 e any integer value ranging from

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum number can have anyq 1nre*sz ,q28ug *owvy5zk+ h integer value ranging from

Correct Answer:    
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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum numjaaxt + 7czwdb.- 3cm/ber can have values of

Correct Answer:    
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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 possible.a:z xyc vgn91 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 isu+a(u h7nxigr;ck* ,x 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 hydrogkn:k;qaw 9x g*tvjmu4p)n/z (3bl(l ren has solutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n

Correct Answer:    
Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation fo9nf- .f8zq mdjr hydrogen 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 solutionsfv ,kgdn3-40u- bm,j u kae,2wwzz /np 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 quant-+::j9fc2sjj tmusw0n q j2jfum numbers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

Correct Answer:    
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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  According to the selection rule, f*k,zq l1 vn(twhen a photon is emitted or absorbed, transitionqn*kfzv (t ,l1s can only occur between state with 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 neewzdz 1tibx w/e f),f),s, s9iutral atom is called its

Correct Answer:    
Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclusion p++d s,dufynk4/ 5 3yumov;(fbo+mxjt s qzm8 +rinciple.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom'xz)b:cv zndr 4 .2cyh.s electron configuration, the letters K, L, M, and N refer toyhz ).c:c x4v2z .bndr

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 elec )p.nv;13i(g eo gqbko fphorba+i4/+trons that 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 stf2jnxw- m k(6vates 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 that have completely filled shells nmd- 0.dwqz4aor subshells are referred .wdam-4znd q0 to as

Correct Answer:    
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Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which lack one electron from a filled shell aif3jf fx.+0yere referrf0.3iyj+fx efed to as

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic tjzha r sl+0*c+able which have a single outer s electron are referr*ah s cz0rjl++ed to as

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronym fovj45rx-)h mlqr

Correct Answer:    
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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 m7yf8w 1go)kkv q xm6+hdjutb0 d11d)and a piece of photographic film,d1 y1fmx km6+7)wqjgd8ou t1d k0h b)v

Correct Answer:    
Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with a beam of cohen5pul6f .lx.*i3 l uoerent 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 con9u4y o:cgk;fn( wlaxf mi4j on1hs 0rt:21u6u fined to within a space of about 0.110 nm. If the electron mgu o;( io40l9af 42jk nmtn scf:xh11:uywur6ass 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 mm qxqw80n jw(5/s is known to an accuracy of 1 part in 5 q n8w(xmjwq0$10^5$ (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 electroniz2)ba p m cd,)5cm9ul'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 speed known to wit,r v+ askqm80ahin 0.100%. What is the minimum uncertainty in the position of the baarq8 k +a,sv0mseball?

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy of an electron state has an uncertainls ,a :; vg7gkgk4ye;qty of about 0.500 eV. What is the uncgyq;;ea,kgsg 4 kl:7v ertainty 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 confined to a region of width 0.1 nm. What is a cj.56 qyj(fkun approximate expression for the least kinetic energyq65 ycjkuf j(. it could have, in eV?

Correct Answer:    
Mark Problem
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The radius of a typical nucleus is aboutevru *d/5v9 fapa5s +a $5.0 \times 10^{-15} \; m$. 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 tbxwo4.)pc ,.7j dbdy ihe $6h$ 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 :qrh cyx 1pyq7:+z,s nthe $6h$ state. How many electrons are allowed in this state?

Correct Answer:    
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Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in zw fai18:p ppfn: *hr7the $6h$ 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 the dhq kc)cjd4wi *g/,k0xdc0n+ $6h$ 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 hix;)j6iyig)h wk w; j+as n = 7. How many 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. ;8r r0lh8wxfr How many values can $m_l$ have?

Correct Answer:    
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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 hoj-b q5pt4p c9;o(rmxjw many different quantum statc4mjqxr(5o-jpp; 9 b tes?

Correct Answer:    
Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium holding two electrons in orbit. If onx; f) 0tp-5fk;*dpm yoixx8di e of the electrons has quantum nuoxp ) i*-0pdxk8f y;ft5;di xmmbers ($n$, $l$, $m_l$, $m_s$) 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 aqmx;tjq i2w89r80 a/xtru0wb n-n2sf $4f$ sub shell?

Correct Answer:    
Mark Problem
45#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The values of n and l for a sr bjp( m qj+ji(e*1v9$4f$ sub shell are

Correct Answer:    
Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has electr)wpz7q;zsak: saun8 + on configuration $1s^22s^22p^63s^23p^2$. 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 configuration of x2:kqvvcr.y6sv: -zudh0 1yh $1s^22s^22p^63s^23p^2$. 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 r) j uq7gmo-)jelectron 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 Lx.q)twkv78iqpo0 e z, i which has three electrons?

Correct Answer:    
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Mark Problem
50#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  High-energy photons are,wk, avf/ h;q/yza03qln04hkbr uex8 used to bombard an unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. What is the atomicn/vkaw,e rkxqz38bhauy 0f0hl 4,q;/ 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 photon1b(zla,gk; gpr c2d5a )9xscp emitted in an X-ray tube subject to 50 kV 1dsa;,a5gz cppxcl )g(2 bkr9?

Correct Answer:    
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 onpt) d59iv q:mte. If the energy differen)qpit5tmd: 9v ce between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    
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