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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 hydrogen atom is directl7prvd3 tm5/ 4 ai kx9te5i1gvpy proportional tok axidg39v m tp5r 574i1eptv/ 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 Uncertaintajx 4ussmd9wz.d0 1/k y 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 with infinite preci. emo5pd9i xd/sionm dd .x9ei/op5 is the

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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 increasex p, npni* 2x0olg2c;ks, the accuracy 2 kg2oxl ni;*pn,xcp0in measuring 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 ve mf0k3l5vajif ;chln5cafh-(t.re+ s, v 2l) blocity of a particle increases, the accuracy in measuring its position wil)jf(,i;2la n.vlhah vtf5+f5ml- kse ccbr 30l

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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" hasmf2ow2, g).g8 dhyf83yp2wvzsw 1ck o a value 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 intee 2lzd,mq .jm7ger 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 inthy ypxifpr, 1fr1z6/m w* fsk)3t6f9ueger 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 inhx4t3,: x6bauhu x7r tteger value 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 numbjvu2w (;j q8kt(nq n/ser can 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 dbj9qea*ozcp:7v 9/ ip qf -q5is a possible 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 not an allowed magnetic quantum number?;;. ihxn*cyzw

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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 hydrogen has solutions only if the three quantum numbers5a5 ) vm(vibfi)o1 8 8uabl5kiju, uuy $n$, $l$, 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 ht 9cc*6 umzvekc-/s0the 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 hydrogen has solutions only if the threek ypn(o2;v7c9ysy;kbp c gg5* 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 quantum pg+ m.:7jl(icw.xlc6w mt-lt 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 i+,cxn)z9 skq5z-ge gm97nhgbs emitted or absorbed, transitions can only occur between state with valu7xknm)ecg9h95n-z bq, g z sg+es 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 if(hi7jl h e owx4+q/0 (bu3eius called 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 exclt4(al bka;h15vuh:4sf 8y cpgusion principle.
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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, L, M,m nh2 rrxm)gz/.7pg s4 and N refer tohr. ng4 g7spmxm )zr/2

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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 nd0o sokv5; an(lx9 /bf5(st equmber 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 6e(b y;b -n gwe.1i9eol2s nvmcfo7k)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 periodic table that have completely filled sow n9h9r(lqwq/ex)6f- 9 opdihells or subshells are ref)w 9iol9qreh6p/( owd-xnqf9 erred 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 ele sb9nkjg*z g41ctron from a filled shell ar1szn*jg g4bk9 e 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 sin eu60 c9z(kd qo/(gjzfgle outer s electron are refeqog 69 (ezkf/z(jcu0drred 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 acronym frmjg g v/h.xm, :2cxg-or

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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, onje *na1 s0qiy*7: hiype needs, in addition to an object and a piece of photographic filjq an:ih*1ie y*pys70m,

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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 proljr89 ;.dmefop ww5 p(r5x+0b;otpo bduces

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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 hydgt,w s mchybe 7w6m5srz).,5:1l zdjp rogen atom is confined to within a space of about 0.110 nm. If the 1w .r j, 6z)e5p5ty ,7hl :wsbdcgmzmselectron 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 electron traveling 2000 m/;e4du xqm2okh 0tp64is is known to an accuracy of 1 pam;2d 6hq4e x4uk0otpirt 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 elo8+l p37tm1opyr y*boectron'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 14.4mwdeki;ica wzq:i :th/ 9ylnii.713 g and speed 45.0 m/s, with the speed known to within 0.100%. What is 9: it1wkcni4;iy wim/:eliqda ..7hz the 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 electron state has an uncertainty of about 0.500 eV. What is tbtni 4;do f7ed8ut19 yhe uncertatfd7ye98btn d 4 io1;uinty 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 bexetbb /r /1(xf confined to a region of width 0.1 nm. What is an approximate ex t be1/brx/f(xpression 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 nucleus is ab.8u 6ne *gix.n8jxfjmout $5.0 \times 10^{-15} \; m$. 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 6 uwiod3(zl(gthe $6h$ 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 in1fde; -v,c css 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 thzv9+8b fz or .9v(nk04th aliv.dkgf 4e $6h$ 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 inl bycdj1pz gg457ym7lv62i1 j 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 a1 j(/;ks,kkpm3e2qijm q 3gi 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 ) i-c) jf8ptowk*6eue given 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 ca pxx.r 5lwt.,on exist in how many different quantx..p l,x rt5owum states?

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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 orbib/z/ulk sx32 ct. If one of the electrons has c/s2x ublkz3/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 into 1d4m( xgu 08df dt/pxna $4f$ 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 for .o5gqsdnmesb51xs fa31.*qfylbdr+ )jj34sa $4f$ 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 confi lb7ml ;)x3-f ,s8ingxiox)xgguration $1s^22s^22p^63s^23p^2$. 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 ctxoqzk+ n6 xa 9v3i7*+rzn ly4onfiguration 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 confiyx :cjn vu 7+w /z),pzffm+0feguration 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 elec jg/n -wclo;8fe whv;*trons?

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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 :p*le7qc gbc2 unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. What is te qgc*p2: bl7che 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 emitt. w5 c (stc*qf1m;zjhved in an X-ray tube subject to t;cjq5c.1wmh s*v z f(50 kV?

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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 exk/yd* oxc ;8;aeffy -ub53tqlectron jumps from a higher energy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelength ox83t5x *eufbc-;a ;f yo/qydkf the emitted photon?

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