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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 oi*1rm c /,tnwby

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Ionic bonding is cause2lk6q( qv 9t/ut o181sjhlw lod 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 hydro9m91bz)nq98cp gwzr c gen 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 caused by- em241jpt5hi.i, 12sal0azh syp zsg

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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 bd( pzf;(ny,fx g/k fh6ond?

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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 follq ds4m8hw0+ohowing 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 difference bew7vmo a99eef id- g4rwe2 2g1stween adjacent energy levelsr2wsvao1 9eg e 47g ewid-9mf2

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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 stz9gc;zv4y 8qc hst6/m ku;w.nate has energy E. The same ;.4s69yw nvzgh8/; ctz q ukcmrotator 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 of a dia4/op9fc. 6 s2mizo :iodr n4kyx:r9qetomic 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 cev 3-*lw6azgadjacen6zw-vlg *ca3e t quantum 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 sds fb2r)wl 6y(tate, a diatomic quantum mechanical rotator has a rotatiof2sy) wr6 bl(dnal 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 vibo9 d j;obhfx 1//a s3svve6n,rrator in its ground state has energy E. This same vibrator in its third state has energ,oo s v r916adx/b3vjsef/nh;y

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Metallic bonding is causfr a9 p;akt-(n6k3tzn/(naqt ed 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 elecqi tf41lr n)-c fxsq-:yl;.;btlnmk7 trons 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, calle8v p8rw x8djy0lhzc61 d the valenc886d1 jwzlvpc8x hy0 re 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 by kj/o3b5l2ocs4 dl g napnv:6gt0c).w

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A p-type semiconductor6 xbpm):u*8 4fdxws qfo/a x+p is produced 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 semiconducto bkn+ko9 9wc g-fo65zk;cmjt0 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 a p-type semiconductor, tddn1y85d xt3jl/ fh eg rk.my512:s pfm5tcy/he 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 t )pta nya3.r6vo a diode with the positive terminal to the p side and the negative vtp )ay.3r6na 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 three semiht z*j3.y* iattk4rvk)0 sjdz :eyb87conductor sections consisting4s*vrjj t* yae ht0kbyi8tz7.d z:)3k 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 otts+*6 d ,v0yphga6y qf 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 has ml68*apzo,m 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 hiiah x5ch;i+. *0;r p0xoe dn2vjcv 6das $18 \times 10^{-5} \; eV$ 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 hydro;el9 8,+: rua5cyjar .vcxw-okcl(as gen molecule in the L = 2 quantum state. (The equilib.caa9al v-xwj u:l5yr, 8 (csk ;+oercrium 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 fre cl0 er+/rdx(.ky5 *qr6c/ipwzst0wbquency of 5pdcxq+ize./(0l0/r ky twcsrr6 wb * $2.0 \times 10^{13} \; Hz$. 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 semiconduct;-k: oe k2qyvdor is 1.25 eV. What is the threshold wavelength for optical absorption in this substance-2d:o qyek k;v?

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