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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 ca; if,kmx; gj6a+9 e1glrb lc6dused 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 s+v n ,vyxgaj;3ghl l0i 1.m*cby

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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 hydrogen molecule5k q- c7o5njct 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 ca zj,qt:r lhd5+s4 et*h4w.nvalb,pv 9used 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 follori 0290zug nydg c)q0dwing is the strongest 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 tj:i)ny40ic4 ch rb 7rn9epx7khe following 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, the energy differenc* ctrzzzzyj)(0(ec1 3qy cc1 re between adjacent energy *1z qz( yt0ec)yjccrc3z1 z(r 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 qu k96tes5wq7kg3l ek9bantum state has energy E. The same rotator in the L = 29 q5t6 w k3glekbk9e7s 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 enqce;7.ef *j(no- / pr)jmc qtfergy 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 quanti 2*r22ize9*fpfj k unum mechanical vibrator, the energy difference between adjacent quantum z 9fjupnirie k*2 *2f2states

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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 mectnf p8) t.6i* f3q8ricsxyq :whanical rotator has a rotational energy ofq *f:sifx3)t rin6.8wqcyt8p

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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. This suasc(w9 eykg yrgz4th8/.t4+sncz: 0 ame vibrator in its thi+sc8ycg0ernz94/z t(gst:ka hyu.w4 rd 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 ca(w b5rhl.wueo2 5oex *used 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 highest energy band containing electrons isnaea ekl0/e60by)6gp

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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 elect.sn* s0zuy c8lrons, called the valence bansc 8.*0zunyls d, 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 by;chg2 z0qm1:b 2fvsjybt1s-jeie g ;4

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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 proded s4s s* sxkt8ze4x;7uced 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 semiconductom ig o)yk/8rix;1lgl .r, 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 applied across ai b1 bmfu(w-7v 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 w;m.fykt /i6uw ith the positive terminal to the p side and the negative terminak u6ym/;. wtifl 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 consis7fms 6nb g*2ufpwju*n 3f,c5fts of three semiconductor sections consisting ,bmcun*f wfgfp*u635nsfj 7 2 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 momenf vtgu0+ m78 j8dbk./dt7 eloh4hf0 nit 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 haiwhit54o b m+.mn+ov:.byxu / s $2.6 \times 10^{-5} \; eV$ 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 hasuwo; /1fp-euh li :.:spxwg2q 1l(str $18 \times 10^{-5} \; eV$ 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 diatomic hydrogen molecule + d:ziatzqm8 k6n:ou /in the L = 2 quantum /t n8qzaki :zum6d+:ostate. (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 vibrating in the v = 1 quantum state with a fs i +6pb d:n+:hwaq5qzrequency of ihd q5+b6ns qz::pa+w$2.0 \times 10^{13} \; Hz$. 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 conducti3a)z3va)zc b.e 5j (-ysall2vcc 1v anon bands in a certain semiconductor is 1.25 eV.cl v zacyse5 b-aj)3 n2al(c1a)z.3vv What is the threshold wavelength for optical absorption in this substance?

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