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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 cw wmv,daytm0pi1; s. x)e.tq4aused 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 rowk1o;j0y)5l i- efn 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 hd 7am82m7omtfydrogen 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 causly4w7 s,e6 +48p4ak wi :sgvxhh0lsoded 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 sggn* sag9*+ri trongest 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 weakest bou 98: ybp-wk9ru2amfvnd?

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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, thpxth/(6 znuw:qhy5- diggm k. +24ssstj +v)v e energy difference between adjacent energy lew)uvs-gh .vy4tpz:5s (tdnx/ h qk 6+2+mgsjivels

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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 qu6d;2 yuco gf:zantum state has energy E. The same rotator in the L = 2 quantum statef y: dzg62;ocu 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 +b)5 6/q t(x 0vo5thk(tx yaifm: jwuaenergy 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 be:.s f(stvz a, m9u qo4ft8gn:ltween adjacent quantum state mq4o9u.v(g8fsftant,z:: lss

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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 mecoo s3k uzn0cd:ck((4v hanical rotator has a rotational e4(c k(kc:nvz odsu03onergy 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 has energy E. Tv jjj6my9;dv1y8b ap 5kmc3.9j l /lwghis same vibrator in its6jm;ky15w .g c8jmv99pb/ vy3ljd jal 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 causedudyu fh-,wn cb391muc 3,flsged 20i9 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, the3 . 3ize:0c-tkvhjdto 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 containinly5)et wot 0q(z,x v0vg electrons, called the valence band, tt0)l,vyeox5z w0qv( 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 pr;h2) wmm) n l /mmn(al d3o/vczugf9e;iyb1)toduced 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 produced bg10sqbtnk+ 1t9 aa7g ijd w1c4y

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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 semiconducto5,-)olh yux1z1qyuo mr, a 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 appliedg(y 1f:t)qyc: u0rnil across a p-type 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 the p side ainx,+bl uq/e7nd the negative,l/nx bi7+ qeu 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 tran.5 ewmh-ja5e tu7o,qy-/hy j bsistor consists of three semiconductor sections consisting o.7hqt-j eo m,way/5be5-hj uy f

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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 oscillator has a moment of pw (;qom 9u 0izvh.dsstq+; fol27ic2lju1 1y 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 ha gvx+xkm3 :6irs $2.6 \times 10^{-5} \; eV$ 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 h7sck7 x fw(x(aas $18 \times 10^{-5} \; eV$ 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) xeez* fz1eti;ki598w ov0 ,llfor a diatomic hydrogen molecule in the L = 2 quane t k1eel;0oi9 wivlz*zf x,85tum 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 vibrati 65:qjynol 4 o-sidc-: dr1wbdng in the v = 1 quantum state with a frequency of idrd: 4qblw5sno1 cjdo6-y:-$2.0 \times 10^{13} \; Hz$. 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 a certain semiconduc02;6o sgx etyb4b7 ghytor is 1.25 eV. What is the threshold wavelength for opticagxy64 2b7syb0;ge t hol absorption in this substance?

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