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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 causg lly67 xiyj*5d7*bw jed 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 z*uay9g (g *cem-t :zgby

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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 t rdru)o(l .t1hydrogen molecule 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 causegei ,x-vo-ye7*1 injk d 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 following is the strongest basnzt2t (qp bp(a*(u0gq1k: dond?

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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 following is the weakest 1eie9jhrf13o s4xas * 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 difference between adjacengf3-r;z-zuw ila s.a bm3/u4 pt energy la-w3fgz4 p.ls/z3ibru;- m uaevels

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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 Lm)a( / mnef9*cw3b suz = 1 quantum state has energy E. The same rotator in the L = 2 quantum stat 3wczmu n9bm f*as/)(ee will have energy

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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 energ agjr-i+2)bp by of 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 difference bjw2v-r ldul;za,)p+ ta(3 pbq etween adjacent quantum state)laz ,wjar2l(u3td;+p- pvb q s

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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 mechanicax ps+tdw+o)kd; a9l xp:b5l3xl rotator has a rotational e)xd5l93+xbsa;wt p: ko+ xdlp nergy of

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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 gr3o7b8 tgzd; 4g6 ju r*uh+gkmeound state has energy E. This same vibrator in its third kugmogrt *d84hj 37 bz+;u6g estate 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 caco:lh+/s0y1 /wmn zcrused 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 highestt s(1z1h *)n ntlx0sd jsyxh,. energy band containing electrons is

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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 en jsy 17 07rz:ffh7h8jdut, jxrergy band containing electrons, called the valence 7r dty7fz ufxj0 hj:, j78rhs1band, is

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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 ia;i :pgy* u)mwbs w01produced by

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A p-type semiconductor07m::htzji3a +bcd mg..dz qu is produced by

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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, aw-+eua g e zl56v0-osxns+ td6 hole 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-type semiconductor, the holeg9 )eyrst3v,iqor)9m ce rn. *s

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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 dio;,v f+cb,udi:v ,w lkqde with the positive terminal to the p side and the negative terminal to the n side, t +:w,fcv,dqlu;,ib kvhen diode is said to 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 thrz *7)rjv(igaq -; akziee semiconductor sections consisting ia)vka7zrj(zq-*;g i of

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic quantum mechanicale0 k qb/-/tclofw nh0ejax 23* oscillator 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 has qj 3d)6 52n7oq rk-ddgzme7mj$2.6 \times 10^{-5} \; eV$ 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 1qtqnlvzsl0h/d, kl flw-6* 3has $18 \times 10^{-5} \; eV$ 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 eVkca-ji(c57yse s7m 5h) for a diatomic hydrogen molecule in the L -(h7c575emsciajky s = 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 g . 2)io )wf+aq2zmavhj 7lw(fis vibrating in the v = 1 quantum state with a frequency of ag oq)v z7 lmfah2.2j)f(+wwi $2.0 \times 10^{13} \; Hz$. 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 the valence and conduction bands in atr- 4j,uczk (q certain semiconductor is 1.25 eV. What is the thu(4r,k c t-qzjreshold wavelength for optical absorption in this substance?

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