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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: 游客未登录  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 wt eh)/5xb7 x2;zyjnau;i3z/(h k gjpcaused 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 causedhvt8ljm;t(3 wk dnt8, 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 hy9ye0,xz/qqqwx0a 0rddrogen 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 cy:u3-4ywx+t a s8y xgyaused 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 4cud94n0n 87pqzkcj n the following 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 thevytpgd)p i j 0h5p5x0b2bn) c9 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 difference betwee9xtwwj,r 6um/ n adjacent ener6wt ujrx/mw9 ,gy 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 = h*+sm81,pfu mr1src6-ile3(gwhl q 0lh*xg f1 quantum state has energy E. The same rotator in the L = 2 quantum s (6lhl*fwmhxm-1p g+rcegru3 8s 0fh*1 is,lq tate 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 o6+wozbfi h+y9f 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 mechan9ln zr( s4p*vh us*e)uical vibrator, the energy difference between adjacent9s(4rhev*lz) pn su*u 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 state, a diatomic quantum mechanical rot(p8va ku 6f9bmator has a rotational ener (8fb6ukpamv 9gy 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 state4dqc vhs +ri18ibo *s3 has energy E. This same vibrator in its third state 1i b3osqd+sr*4vc8 hihas 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 causedn fef)(0j. l ki9l-o rpuqw+4n 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 contaid(cgno yz4v;wt 2+x-qs d(i(b ning 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 highefbg: ;*do,wymeemdpk q/ 5 z8/st energy band containing electrons, called the valencq/d f*mybm/8ew o5z,p e ;dkg:e 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 pjt1+ eo(tns2zroduced 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 yh02i*yqw. 1v7imx p5cmjhd.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 semiconductj885b q k4aujmor, 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 semiconducto 8tw(( xk cezl4-ij7s/eg y l7zml).ycr, 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 thh+75ag+if3t v-3 /(cdk fcw vp:dxyu he positive terminal to the p side and the negative termcg dfah5 +dix h+:v373-ypw/ uft( vkcinal 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 semiconduct;x nayx+5hm* d,tyf: 06shobeor sections consisting oft6 s5db*yx0of;:,x a ymhh e+n

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diatomic quantum mechanica7rs;zp. vgx8f l oscillator 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 hx-;89 wyga vchas $2.6 \times 10^{-5} \; eV$ 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 n * (8ub:8pepy0 p.1tq hwlcvc9g9g bqhas $18 \times 10^{-5} \; eV$ 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) fag.sbajso69 hs/ h)+g0eo. sq or a diatomic hydrogen molecule in the L0jag +bss.e aqoh./ s9)s6ohg = 2 quantum 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 vibratin.+vnkkq:e :ky9uai* ,g9axvq g in the v = 1 quantum state with a frequency of *qiue qk kxv,v9.a+kgy:9an: $2.0 \times 10^{13} \; Hz$. 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 d20tl l5zjn nl:2vjmghy: 0-t certain semiconductor is 1.25 eV. What is the threshold wt zndl0g- 02jv:ljml 52nhyt: avelength for optical absorption in this substance?

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总分:27分 及格:16.2分 时间:不限时
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