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习题练习:Physics Unit29: Molecules and Solids



 作者: admin发布日期: 2023-05-01 13:57   总分: 27分  得分: _____________

答题人: 匿名未登录  开始时间: 23年05月01日 13:57  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  
  Covalent bonding is oelz12xf c 2/mcb5s68e9z ekv caused by

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Ionic bonding is caused -up 14 0qhp7qs)bacd2h, y jtsby

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The bond energy for a hydrogen molecuzeyju-c 37j2qle is

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Van der Waals bonding is (o 7rkfdl9aeti3 e3j) caused by

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In general, which of the ag9ev 3r-.:dfxij7la following is the strongest bond?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In general, which of the f3erhudq q)n5u2/q( i mollowing is the weakest bond?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a diatomic quantum mechanical rotator, the energy qz35r8p,vwvu; ocjww) :uj;rdifference between adjacent energy lervwow;p: wr uu8v;z , 3cjj5q)vels

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic quantum mechanical rotator in the y n sy.(nig /m5q/frj)L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will have jf qy)n.y s5 ni/r/(mgenergy

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In its lowest quantum state, the energy o 96mmfp 2:t,.um f9zetol r/n8qkpro*f a diatomic harmonic oscillator is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a diatomic quantum mechanical vibrator, the energy diffsvi wv9y8vyw*m s,4 6kerence between adjacent quantum s64wyvyk,9 *ws imvvs8tates

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In its lowest quantum state, a diatomic quantum mechanical rotator hateox2l 6/ yodnf;b4/w* w dc(d4njm- bs a rotational energy e n*d;4 (by 6xo2dn/cl4 -owf wtdbm/jof

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic quantum mechanical vibrator in its ground state has energy E. Tho h)qvela50hexan6) /zz; sj8is same vibrator sha;l jzvo)he ex 05/z6nqa)8in its third state has energy

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Metallic bonding is cao k;r)+ njbsvy b5 wlk(r1q7/tused by

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a good conductor, the highest energy band containing electrons ixzn*(5 ;abf ti9cwl k4s

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a good insulator, the highest energy banw(/co jk*if 8x 7qk/qas86nlvd containing electrons, called the valence band, is 68i okn (a7wv*scj/qf/8xkql

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An n-type semiconductor is produced b4h ojd1a;xkj8 y

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A p-type semiconductor is produced f6ge,2j9nbzzaq o z8 y 7q:3oqby

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a p-type semiconductor, a holerw udh1b*7 xg(bmn ll549i g/o is

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a voltage is applied across a p-t0:wvmd0i)eyrvl 5* m1u6bfza ype semiconductor, the holes

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a battery is connected to a diode with the positive terminal to thwu yo+a bqx(:f4gyy1 7e p side and the negative terminal to the n side, then diode is said toy+:(gyfobyax 7 uq1 4w be

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A simple junction transistor consists of three semiconductor sections cons7 ,a:dljs3a:nx d 6sssisting of alsd: 7 dsn6sxa,sj:3

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic quantum mechanical oscillataz:b 0q*2zdc*vhwhh *(3fmr bor has a moment of inertia of $7.73 \times 10^{-45} \; kg \cdot m^{2}$. What is the rotational energy in the quantum state characterized by L = 2?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic molecule hasgx )anz,tc0b)7 g1rur $2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic molecule hat i cdksl7/ tc* pr*(o/v0gl6fs $18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Estimate the rotational energy (in eV) 0;o2yp phit 5gfor a diatomic hydrogen molecule in the Lt20 yi5hppgo ; = 2 quantum state. (The equilibrium separation for the H2 molecule is 0.075 nm.)

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic molecule is vibrating in the v = 1 quantum state wf:fx-g)cmpu z h2mcku21;z s8 ith a frequency of m)s8fmh:2u fx1czgczkp u-; 2 $2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The energy gap between thlg e+81r 5hzlce valence and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength flrlh18ce g+z5or optical absorption in this substance?

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