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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 findiq8vz3xt )qz/lljza. r0n j9n0 ng an electron in a hydrogen atom is directly proportionaq8zarq 3)jljnln9v / tz z0x0.l 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 Uncertainty gqrvq 3y(0l, iolcw t(w92z.tPrinciple.
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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The reason the positl/6l qq bfalt(7a 9j7yion of a particle cannot be specified with infinite precision is thl6qlay/9qb(l7j t 7afe

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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 measuringlu pmz u.cw 62g+gg6w c/y)3fuqx. l8s the position of a particle increases, the accuracy in measuring its veloq2.ugcg )w68wumgx/ zsc.+6llf 3pyucity 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 particle ii /6m;g-nl;p qpqi np.ncreases, the accuracy in measuring its position w nlnp;-ipm/6 gq;i.pq ill

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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 oyfq5vgk+ zi*7+xv -vkf

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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 ujf,kp5zyp*cvac3y :inp m .+nec+86 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 inau r,m m7zj39pteger 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 valus a.l-62h.qhwtkvj(a r rn,(kq ( wgt+e 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 num;thp,lw- gq) jber 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 thz uoz fiama++,42q/tp6nshx+e following is 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( sv: si9qljw1 zz+7je 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 for hydrogen has solut;( ( n/i5i igm z(82ecwb*0gmsrb+gof zihz9sions 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 three quantum /,5pikgany3m 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 three quantum numwy0kj(ma1z19jkqw l8 *itohj;, w y 4ubers $n$, $l$, 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 quantumf,mh3ffgz r*embb4)/2 7dva )z/m eygcf9 1ou 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 emittdg sy)m. *b 7pcm4or 8fyqps8.ed or absorbed, transitions can only occuomfc*8gmy.47sr 8 y) qd .pbspr between 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 ctsna(03xeqa q8-,mmx.r;n wpo j v (d8alled 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 princ0/p l,i-uq iopiple.
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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 electr3(vbbl. p1h xzon configuration, the letters K, L, M, and N refer tox1p(v3hblb z.

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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 numbe*v,b1 8nluayvr 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 ognv2*d 0xgjve 2q43 nr0cy8 nor 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 periodic table that have complete;lx)feg6w fo 5ly filled shells or subshells are referrf)56 ;gfx lweoed 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 fillm1oi ;2ezs p0j;myad/n vqn a9ex5s70 ed shell are referred tozd;2;5pmao7 n 0 m0je /9enixavqss1y 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 electr+iax2y.wyjl 4e b94h fon are referred to .y 9e+24y4bl faxj hiwas

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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 acronympd /ht j8dx/qt/xw-bjh (s( v; 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 object an abj t5.,83gsefl,jl nd a piece of photograph35, ,tlelj.jbfs nag8ic 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 ligc4; :s2)ukxc 5xl /k2smsnl qjht, 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 con2t .mqabsxi.5 tnw-j 6fined to within a space of about 0.110 nm. If the a.n-is t2 qtmxwj65 .belectron 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/s is known to aac1y 3 wjye2a1n accuracy e1wya1a2cyj 3of 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 eledg 0lqk t;1jbbvv86:.h 1 xlehctron'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/siaw-dgmcupc1c .8 b9n5r b4.v(n.ze a, with the speed known to within 0.100%dc1(.bvnm -cupgz. a5in94rb ca e.w8. What is 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 sts3o5,fsdw:dow- lji v37t-ghate has an uncertainty of about 0.500 eV. What is the 37dsh:ww3olf,- jtig-5 o vdsuncertainty 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 to a regus +i(tlw5qec hd1 k-crg6a- 6ion of width 0.1 nm. What is an approximate expression for the least kinetic energy it could haver(w s6-qih+gad56t 1cukcl-e , 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 k0eawb;ocy /k(,zs1gabout $5.0 \times 10^{-15} \; m$. 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 v1fe4/q(lniq $6h$ 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 ;phpp rxhpwo 54 lkc:r4kc/35 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 in0k8fpe9 0 nno65th.rc t(qncf the $6h$ 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 iyhg;4dw)h7yc ynr4 h hd1ku61 n 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 n = 4oupd f*n.t a9rg/5ay7. 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 exh q.v dn;4)ixlectron 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 different5rz4a 9ty;cbr4kzeczu m2 2gd8t ;+ eo quantum sta+ 8demt49agct rukr ;2 e2co;b5yz4zztes?

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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 mkwzbl4c fb w9* , l5*b51jbwgelectrons in orbit. If one of the electronsj bwclgb*f,4km wwb 5l 5bz*19 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 willqejr m-t8u4npb) pd rjt50q9- 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 forb8o 3 hwcqq;) yx(pvr, 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 con4(dk( 4m(xfoqyfrfo :figuration $1s^22s^22p^63s^23p^2$. 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 configurationl.j)r/kiz* 5rx) buh k 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 configuration of 62vx(iss+ wd92tr nin$1s^22s^22p^6$. 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 whicho4+p uiy w(chs o6w4e9 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. Thxsf,l6as, b n3cgw-b .e strongest peak is found for X-rays with an energy of 66 keV. Whatw., ,lxbbfcg s-63 ans 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-wax yw6h. i 9gwgpu1 9hg1r5fcu.velength X-ray photon emitted in an X-ray tube subject to 50 kV?fr5hu ..g hu1 cig9 g96ywp1wx

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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 energyib u+u:s/7b goa*g(vy level to a lower one. If the energy difference between the two levels is 1.8 eV* a+:io/g(yubusg 7bv, what is the wavelength of the emitted photon?

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