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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 7e lv :9k s(;cvti7bgvcaused 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 caukhd(2jdw4x 3 msed 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 hydr;w+xzk dtls 3n*i mys a/r4q 9rn)1j(oogen 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 jeu-)n mo(ez*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 strongest lnw5)6l2jw a7pnno *) who w5sbond?

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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 tkf19brp vwr00tlw53 i he 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 enerz,lg 2ridzx ;31/4)fc7rsl(qm aaf 6viuzv)fgy difference between adjacent enervf6saq zdi )r 7)f;f/vlxmgcir lz,a42uz(31gy levels

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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 = 1 quantum state ha2 t lqo-xukb:s,kf2 a 4do/ui1s energy E. The same rotator isk,u-f:a4q /oxl1 2 i utobkd2n 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 oq7skj *p bc)ep9 u,p0zf 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 betwws t**eaz qo.ersn9 2q-cf)6q een adjacent quantum statesn e z recqa9wt6qs*o)f-*.q s2

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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 s sbri9;b2a+ve,ds-d mechanical rotator has a rotational ;sddr+be b,-as i29sv 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/a6n q87hzj:(x/ 1fzhn:fhia kf*1dyz 6hd yy ground state has energy E. This same vibrator innkazdi*xhfhj z 7 :(/1y6 /1ayfdqy8: znfhh 6 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 caused:-.g;5oz lvra -1l gg8)dnen c udy(ch 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 highesmjh b5:s/ktr -t 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 containiuqz,x nisiw,c6 i63yow 9di0 6ng electrons, called the valenceu q yw3i6z,0ix6 ws o6,ncii9d band, 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 produced b2ds;nl+b b 6jn+mz,e0l tikft:;dk o) 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 produci.fcaefz4) l, ed 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.fxv6 mh hn54v 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 semicondb-4,ums +wgez *vcjh1 uctor, 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 wi e-ye 2syk)ai5 aa*pr;2wy2ctth the positive terminal to the p side and the negative terminal ta;rk*2 c astw)yie y2p25ya-eo 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 three semiconductor sec2r:l:f9 dv9u6k ng ojvtions consisting ofv:n99j:kfgldr62ouv

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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 oscilla +vt;qhp8zi, zb vgwro:+8b)btor 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 has694ac5 y3sk+2z ,ov:ytlvfnrk wpn7 o $2.6 \times 10^{-5} \; eV$ 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 has dkw7 qf/ q7xw.6vi wy292itpp .hz.zn$18 \times 10^{-5} \; eV$ 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 ab221.nj ozp p4ozqm:b diatomic hydrogen molecule in the L = 2 quantum state. (The equilibrium separation f2bzomonbpz q:2jp1 4.or 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 b(wozn -x5se9 vibrating in the v = 1 quantum state with a frequency of oxwz9e(sbn5- $2.0 \times 10^{13} \; Hz$. 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 -in.6-v3xv nommw fh.bands in a certain semiconductor is 1.25 eV. What is the threshold wavelengt v3n.vi.wfm x- hm-6noh for optical absorption in this substance?

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