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习题练习：Physics Unit28: Quantum Mechanics of Atoms
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 作者: admin    总分: 52分  得分: _____________

答题人: 匿名未登录  开始时间: 23年05月01日 10:59  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The probability of finding an electron in a hya.5kd(o0tf o1uon *:ng1 y+drnq q7j xdrogen atom is directly proportional to i0(x7djqkd+oto*yorngan1 f.51qu : n ts

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2#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Heisenberg's Uncertainty Princife n cj3/hs3j-ple.
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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The reason the position of a particle ca8br)- to9 a+-ch ykx/ lyxrpr5nnot be specified with infinite precision is the ypch-r )59 -a y/rrlbxxok8+t

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the accuracy in measuring the position of a particle increases, tfa6gj0l/pq1(q 3w gq ahe accuracy in measuring iglq1/wqf g jqpa3a(0 6ts velocity will

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the accuracy in measuring the velocity of a particle8 ,b 2cupi.wq r9)ceuinr7 zl/ increases, the accuracy in measuring its pobiu/w qirn. ecu )zr27c,9pl 8sition will

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The quantity "h-bar" has a value of 4k8nq(y ccno81c;zqx0-bj zv1p 2vwo

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal quantum numberw hx- q-hvs ar :jlo)zt,z5sha :0y:;t can have any integer value ranging from

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The orbital quantum number can have any integer value t4 cd41v6 he-yiuq-xo ranging from

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The magnetic quantum number can have any integer vi n 19w*sh-clyalue ranging from

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The spin quantum number can havt) q;ero edgu-z*q4.rtwb r,9 e values of

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If l = 4, which one of the following is a possibl0w- 8tixyrx47 y,w3i rfgd6lle quantum number for n?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If n = 5, which one of the following is( vy+sh3 -nflc not an allowed magnetic quantum number?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave equation foro)fue-d:u g zqq548 kb hydrogen has solutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave equation for hydrogen has solutions only if the threg7n z/eh-ct6c e quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that l

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave equation for hydrogen has solutions o .udrab7zqx. h:7r1 c0i ctky/nly if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that $m_l$

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the ground state, the quantc.v ,ku +t2 xdqcaak30um numbers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  According to the selection rule, when a photon is emitted or absorbed, transitkto4 n 17o*alswzu. nu (kle44ions can only occur between state with values of l t*o4ls4uonw 7el 1uk knt4 a.(zhat differ by

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of electrons in a neutral atom is calledp 2 bjm32./o9:icq zflbi: iqg its

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19#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the Pauli exclusion 0hzf hr(d4dm 1principle.
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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of an atom's electron configuration, the letters K, 3p zch)6+tnkmmwh0d,0ilto: L, M, and N refer ti)+0:,k z t36hw oc dt0nhmpmlo

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the maximum nup5+ aqm bij(x;:5iy87fzearkmber of electrons that can occupy the $g$ sub shell?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many possible sets of quantum numbers or electron states are there in thevz haqu+h+7) v $5f$ sub shell?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The elements in the periodic r(xbk f/n)mlha +iu31x -0pla table that have completely filled shells or subshells are referred tl (13+/a nr0mpa-xu ihkl )bxfo as

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The elements in the periodic table which la9jg tipdhu: vm)n50lphu m7).ck one electron from a filled shell are 7j:uipm. )l)um5 n hdtg9ph0v referred to as

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The elements in the periodic table which have a single outer s electron are res;gso.u( t)xw fer(wxgus t)o.;s red to as

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The word LASER is an acry: tz( 6wv5c-fks4 hcqonym for

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In order to produce a hologram, one needs, in addition to an onnf qa4gdci-, ,l l7t+bject and a piece n,qalt-l,fi 74 +dncg of photographic film,

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a hologram is illuminated with a beam of coherent light, it ,bk s8qj/ yci)8w3h+j8tq eq nproduces

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electron inside a hydrogebi* yjl+s7p34vt -r5wn, 0rpav fwwx0n atom is confined to within a space of about 0.110 nm. If the el*0n4v b +ply3,atsfwrxwwr5 7p-v 0 jiectron mass is $9.11 \times 10^{-31} \; kg$, what is the uncertainty in the electron's velocity?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Suppose that the speed of an electrone qpmcm w10y:; traveling 2000 m/s is known to an accuracy ofywe :1 ;qpcmm0 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?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A measurement of an elajl,7e9 45rt- ybz8e pgc2 qepectron's speed is $2.0 \times 10^6 \; m/s$ and has an uncertainty of 10%. What is the minimum uncertainty in position?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A baseball has mass 143 g and speed 45.0 m/s, with the speed known to w) 4mp4koi-/peir ukbtibipko, .n5 8+ithin 0.100%. What is th ti+pi, )n4pokbupi b 854k.eio r-m/ke minimum uncertainty in the position of the baseball?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The energy of an elec0 z8rrq(gx8pj3 n9 onn pyx7g0tron state has an uncertainty of about 0.500 eV. What is the uncertainty in thgygq p 9n8 rz80xpnn7orj(x 03e life-time of the level?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electron is known to be c.46h a,bptkflbi b 61fa 57h6 xa-zhouonfined to a region of width 0.1 nm. What is an approximbz-h6566 ltf41uih,aa kob hfa.pbx7 ate expression for the least kinetic energy it could have, in eV?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The radius of a typical nuclem n83sc(k/ 6wo ssiyz;us 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).

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is in thx6 ni1orcgg q/x:d.s 9e $6h$ state. Determine the principal quantum number.

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is in th eidkx gb(984d(* l0d-h t4eak* pxphge $6h$ state. How many electrons are allowed in this state?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is in thwu vn-w8mok sczk: ot2:/9c4fe $6h$ state. Which of the following could be an orbital quantum number?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is in 2)1utx,1 bpg 6tcckgm the $6h$ state. Which one of the following is not a magnetic quantum number?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a hydrogen atom, a given electron has xi.stq)gq8h/yo ey 7 f2c5sw4n = 7. How many values can l have?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a hydrogen atom, a given (mx5q yli2o5 owksbm2b:h -1p electron has l = 7. How many values can $m_l$ have?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a hydrogen atom, an electron ay k1yg63925f fivl bkwith n = 7 can exist in how many different quantum sy56k fi3fb 9ay1k2 gvltates?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider ground-state helium holding two efvc+yya/t rsg kmlr +e)ify(2n,k4 sqs0 **x+lectrons in orbit. If one of the electron2mcqye *+f/+0xy*rtfgs ,r(viyk la s k4n+s)s has quantum numbers ($n$, $l$, $m_l$, $m_s$) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many electrons will fit i 8cl ;hhgw *ze0ui;ko2nto a $4f$ sub shell?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The values of n and gmjj9ro(jq,waa.9 ;, )gkw t sbsek8u u,e l+.l for a $4f$ sub shell are

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A neutral atom has elect g85, 0 *caa.zl6krwq5zxtqppron configuration $1s^22s^22p^63s^23p^2$. What element is this?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A neutral atom has an electron config19cmq emk54dy uration of $1s^22s^22p^63s^23p^2$. What is its atomic number?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A neutral atom has an electron cok , kd3 z0 vq6rfnefzv7nr10t0nfiguration of $1s^22s^22p^6$. If a neutral atom holds one additional electron, what is the ground state configuration?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the electron configuration for Li which has three electrons7m:zv )yhf ).f f9cqficj: p/w?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  High-energy photons are used to bombard an l6if,nk/r y ogqd9/2ymmr1u 9 unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. qm2 mo,9l6/yd/fiu9grr1nky What is the atomic number of the metal?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the shortest-wavelength X-ray photon emitted in an X-ray tube subject to9io0s.v86 :rxre )g 0wj nyu6aqywx7e 50 kV?qeuso6wx 09ag80w)7rny 6ir:v. y je x

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a ruby laser, an electron jumps from a higher energy level to a un.chg 6roj8v * xmtp( t9tgw6m9q*b1lower one. If ttv orb86nm9 (.j*mt*h9c gutw6xpgq 1 he energy difference between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

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