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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 yfs9i scp+uu6kpvp5 *q6)1 dhin a hydrogen atom is directly proportionac+ yup6ppk d*s9v su61hf )q5il to its

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2#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Heisenberg's Uncertaint)j3*hczr yu 8*2bwjk ty Principle.
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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 cannot be specified wit v ag)63wu6x)bi zuq)dh infinite precision is thea)6zb3vuiqg 6u)d)w x

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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 padogi 2*kryldr) 0 bqv8a+d3*q cs5e/erticle increases, the accuracy in q2c r5og+/**d)aevy 8dei kb30drq lsmeasuring its 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 parti oyeq luzgy -* ;zx2nk*:zej02cle increases, the accuracy in measuring its position wil z o-q:*ju y2ny;*kzexz 2l0gel

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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 valzr l;v)o+5wejcj(-a70tj 4mrpfunh 6 ue of

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal quantum number can have any /pbu s hvzlt/lu e:wi.np633,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 hyawke,1zr ln3u,47 hany integer value 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 valueyo9p-t6m b rowc4/sy3 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 canhfr18,f1 66tdatl cjq have 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 possible quantum num bb7 5bwnmj8fneer9 2)ber 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 not an allowed murdex akea:)6h81fv . agnetic 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 for hydrogene x bbq:,b y1.avbhi21 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 ifzi r 2tf;tdu). the three 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 hydroh7d x+e)brkxwy ;7t06mgi 7iegen has solutions only 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 y8ndztf+d 8aai2xrk-u-3dx + quantum 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, tyn md0 emz;w;-ransitions can only occur bw yme0dn;z ;m-etween state with values of l that 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 ca f gs50su6-imk(klfy)ql ; z nvfb1-3elled 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 pr r oe ,hz.,e//xe 1eajid7itt,inciple.
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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 configuratioga;r3/ 0ci5qfvrw n g2n, the letters K, L, M, and N refer t0wgi;agnqv3r2/ fc5r o

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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 number of electrons that can occupo.)*ll1rwb x.wxdtm+ y 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 q41t o1nx4f a,phdck /puantum numbers or electron states are there in the $5f$ 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 putq5 l+1aray2eriodic table that have completely filled shells or subshells are referu 5a 2aq1lt+yrred to 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 lack one electron from a filled she*s6go4e+wdekxl u/ b:obf r)2 ll are referred ts r w od6o)4eulbb+2/k:*xe gfo 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 electro+ x fgx8nob639gifk; rn are refeg6b 3n fxx;9fg+io8kr rred 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 acronyslbyoa)l+; ilzg35km+ k; ht6m 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 tok4bozo/nr5r1 y6 5qyi an object and a piece of photographic fnorybry4i 55 / k6o1qzilm,

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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 illuminat9q6ysmbaa,0kc(yy cf ;- q h+yed with a beam of coherent light, it produces

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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 hydrogen atom is confined to within a space of /r u3ib wi:(j)a ptrciogusf46c0 v3) about 0.110 nm. If the electron masswbp c)):rv0t(sifg6uro4 jii3c/ au3 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 electron traveling 2000 m/s is known *-/b8hlia fiv to an accuracy of 1 p8 *if bliv/ah-art 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 electron's 782ifz 3trritm pw5;of vu;w- 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 wic3r6 f7ldlk +a3b;oefthin 0.100%. What is the minimum uncertainty in the position o3a b3dlff7; 6cer+olkf 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 electron state has an uncertainty qkun+rv-e huo17u-: bof about 0.500 eV. What is the ek -u+ovr huuq17-b:nuncertainty in the 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 confined p mqw8b ./aa;u0opt a3:xvxrl- ja6, dto a region of width 0.1 nm. What is an approximate expression for the least kineti8ux ajrovaa,.:pwl-/ad3m;t6bx q p0c 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 nucleus itn8vlf(i94o 8zg9 elvs 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 the 2, cm+ 7r(dwsfs km*zf$6h$ 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 in9gap d 6kd,q(8bmis3g the $6h$ 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 the t 5j.xkrdt fx6rh t(6/$6h$ 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 iy)7*, l e/o rcp:ihugmi4v,xin 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 givenfiz lf5) 2tr/v)h84ux kv(e yc electron has n = 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 gi1rj +e+trne+iv .9 dbiven 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 with n = 7 can exist in how many different /4 j9vwn(zwfc0j ,m jselnr +1quantum stawjjlnjn(, /0r1+cmw9fzv4 es tes?

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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 electrons in orbit. If one of(d/-t1uwaubog 6femqi e. 02b i 7vi)b the electrons has quantum number)ei-gwub6o0eufv 17 i mdbt.bi(a2q /s ($n$, $l$, $m_l$, $m_s$) 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 wir q8(-*s*i*tznb:p* va; i abf.egck hll fit into 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 l forpkdx6ktf ;.8q 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 electron configuration nv(f ry0u+0od$1s^22s^22p^63s^23p^2$. 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 configuration of * 0riiq *-34c61kso 0ybuaadqga yv+ j$1s^22s^22p^63s^23p^2$. 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 confv7+gu+i af8k8v 5* thj,lpcjuiguration 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 f*cn1y1 vxy4zl or Li which has three electrons?

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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 unknown metal. The str3fdsn x4koy 5,-dp8bwri; n g)mhsp /1ongest peak is found for X-rays with an energy of 66 keV. What is 1n3k hy/mdnop-5i4f sbpd r8)sw,xg;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 fwnb):5iptm y i2 mv6 6a3t jb3nh(3moX-ray tube subject to 50 ibbmytth)3v 532aj:m6pwin o3(n 6mfkV?

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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 8jl(fd mq;*ip a higher energy level to a lower one. If the energy difference betwe(qfi;dlp8 *jm en the two levels is 1.8 eV, what is the wavelength of the emitted photon?

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