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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 caused mnxhmyo5 5ae xec 4fg5z2. 2:pby

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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 b.ltapyixp:juh)8 :(ypdrtr (m b/3(e y

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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 hydryh)vhv j/pc7p2cy zp0hhv17 1ogen 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 0nwgkdfos*-2ktw;+6+ uh y xncaused 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 bond?bh:em( j *wos;ue3i wzw ):o,b

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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 foxt8lz5dua 4w3hb dm33llowing 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, th kpd2 7.bzge)te energy difference between adjacent energt.dzg 2 p7)ekby 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 mechanicac8a3fk,pzwj e7v lq+8pa5nfa -1g5vy l rotator in the L = 1 quantum state has energy E. The same n5 +vgaaclkyav w f,18p -z3e f8q5p7jrotator 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 stat 1gi15u*a2jm(ntlw fre, the energy 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 differl 2dy+bgl; 4eaence between adjacent quantum statea ldby g2;4el+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 sth:rl 36jo9xk yq 173 witise,;k/kywkate, a diatomic quantum mechanical rotator has a rotational energy,r;1 oh eiyjwk ki3sk6wy3:t79 qx/lk 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 vibrato;vaj-:) vw*y m1qmg d26c cmihr in its ground state has energy E. This same vibrator in its cmmmw*d)2g:vc-;hy v i j 6a1qthird 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 bk*j, d tyt1m32:r)ltae2h qvhy

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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,kn0stir38 hz2 the 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 electrons, called the vancyz+ocudp 883,mm*pc( *oa8+o nqlflence ba*cm8d+f uz*oqc cm (oa8 3y,p+ponn8lnd, 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 semiconduciigkide 9xd*,z: em 01h 1ks)dtor is 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 produced c k :gkfe/z6 he)(33:nxabtxp 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 istx 4c, ky rnjrg.o2.z:

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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 appli3r 0laehqxd2atu y/q :6/*gdw sw7t:fed 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 :/zp9psc lv (pr(f;cf terminal to the p side and the neg9f(p;sf:cp/ vpcz( r lative 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 5 ,b-su9n7puqxo y5 grconsists of three semiconductor sections consistingu9rpb- ,x5sg7q 5u nyo 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 mechanical oscillator has a moment of inertij1va*th:n- kta 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 5x e 2:ngnj1mqd5* h4l/pafll$2.6 \times 10^{-5} \; eV$ 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 zpay 0l nt0gyb/ /40px$18 \times 10^{-5} \; eV$ 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 a diatomimf+pzeal1zl w;j x-)h8t z;,lc hydrogen molecule in the L = 2 quantum state. (The equilibrium separation for the H2 molecule i ;-jhlp1t)zmlezl8 x,; w+afz s 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 qvpf6 2kpwt /q)uantum state with a frequency of /qvw)kp f6pt2$2.0 \times 10^{13} \; Hz$. 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 conducy4 tc;p1 2ztv4sdkd9a)bdp 7thw 5)ec tion bands in a certain semiconductor is 1.25 eV. What is the threshold wavelentc;d4 4p 7stdy)va2k) d w1behzctp 59gth for optical absorption in this substance?

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