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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 crjk7drf( r kquf1 m6(b5mk0,u7moh 1xaused 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 causeaj a,)dwj 2o+td by

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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 hydrog09lrjwc 3enps9eig:u.; v:fg,tne- y en 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 i-vef(nnk. gc*s 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 following is the si6s ;4bqnks1ujhl2 y 7trongest 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 following is the weakeweci6zi oyf:m; q1 (l pheh9 61cbztk-ki7f95st 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, 8n 1ks:)xkzx8tc rk:ppbh6 d3the energy difference between adjacent energy kt:8s8:3 d) x chrn6ppz1k bkxlevels

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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 L = hcwqyx8 fq nhsai-07u / s-6ph 0w6b,n1 quantum state has energy E. The same rs,n-c/ qquf a7h-x h6swb0 pinwh80 y6otator in the L = 2 quantum state 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 energy / x h//z)jreumof 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 between az*;dom. ,4 wvbb.w/8uhiyd+pwjfz ;bdjacent quant zduy df,p8bjmwwzo *w.h+bb4 .;i /v;um states

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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 has a rotatioq.+ dqk:zizp- zj 4o8onali o zd :j+kp.ozz-4q8q energy 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 ground state hym uny*xl i7o4/,pwid8js r 34as energy E. This same vibrator in its third state has eneix 4pyslu, /8i3 yo4jn*wd7r mrgy

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Metallic bonding is caused b( :0kzrujr -hw5 4k7g)hsmehfy

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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, ts8bz(shrd 4( jx)7lnthe highest 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 energy band containing electrgqc))or5f 9+vwfloj 9 ons, called the valence ban+9q) fl) 5vrwogcjfo9d, 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 isj r0n ;yk*gdi9 produced 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 semiconductor is prodp+ xq0kc n:5gjuced 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, a hole 74n aw-o ;kuiaoth1f 2is

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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*g tbr5m;5+xp owxy1lx0 * enu, 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 the p s- u g3nstxacm6v:o az+f +-i9xide and-+xcmagox6+ 3iatv:-u n 9zs f the negative terminal to the n side, then 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 thrn.v ilscqpq87g/m2 z2n e0.bmee semiconductor sections consisting 8i /z 2n27.s0b. geqmc lmpnqvof

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic quantum meq j* lsfgs,yhk afh385l9c. q3chanical 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 hasnuf- ;8j2g inm $2.6 \times 10^{-5} \; eV$ 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 hac + hk)5lr* d*6expliws $18 \times 10^{-5} \; eV$ 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) for abh+igtp0+ z(zc+oh6 uge v*-u diatomic hydrogen molecule in the L = 2 quantum state. (The equilibrium separation for*be +o-uz uhg6z(pvc0itgh++ 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 wxfhss t1(4 7gsith a frequency of sf hsg(s714xt$2.0 \times 10^{13} \; Hz$. 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 mnqg/bacd.wttwy5 .by 5 8p21 bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this subd5bw .p.51cy8y wa2 b/nmtqt gstance?

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