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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 causeuk/m :1b8qbxzr.w n+ gd 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 z1 *xwholo,)b 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 hydrogen 3uj amud1 bl-/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 kbo7lv*o 72sv caused 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 bonden p+oll:t0l8 ?

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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 folloga5hn8 6p c q*dc7ykt+ qvq12sun60dvwing 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 be358 1fnhupd(c oz zrf3tween adjacent energy levezo3zp(uf cdrn513h f8ls

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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 q07t1ylgx ;v vin the L = 1 quantum state has energy E. The same rotator in xv0t7;q 1yvgl 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 diat4waj ,xwins 6uf7gy,z)bv x6* omic 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 adjac m*(pqq-+jhma6g i ky-kie(h) ent quantih-y h+i(*gpakkj)qq-m(6 meum 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 quantus k8 bm4upn39yzncg++m state, a diatomic quantum mechanical rotator has a rotational energy k ++zyb4nu3n9p s 8gmcof

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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 energ pmm /,,j3rfe.e;l3v)yqodouy E. This same vibrator in ite)o.v3omj rml3 p, f ;yequd/,s 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 caused ;jo spfimh) jn c2d4j) -pwknys)z,71 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 containinbd1cp6 x9 s2qug 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 contaf) 6)pmm0z pqgining electrons, called the valence band, ig)p m)zpq0 6mfs

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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 profm1 tv5 q77dbpduced 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 ied x xyg*fbrspe03+g ;9o v-q0s 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 semiconducth rq;x6 vc70j4s8n;+5lf0 zyya mobxior, 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 semy -h8g +ijkw iwzyj6 w 4tjj*ffo)i+6+iconductor, 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 then m0bt2t(ig9q p side and the negative terminal to the n side, then dgt(m2in 0 t9qbiode 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 ;jsuy6ca( xpfn ;i1v xtmwx,s23x3;j 4h-mr iconsists of three semiconductor sections consisting ofps,;yx w1 ch6(3 m m-ft x3inxj2xj4a;i ;svur

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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 ofbu t-.)3t yagb 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 929g1spfl hcp 0x8escc1wd2mhas $2.6 \times 10^{-5} \; eV$ 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 (30 nr:crj:zes; irej$18 \times 10^{-5} \; eV$ 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)z- zcjm3f s6)s+ ufzj7 for a diatomic hydrogen molecule in the L = 2 quantum state. (The equilibrium separation for the H2 mole+sf-7mjz ju6z 3fc)zs cule 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 *f6 iexrg5z3ag)b;ze quantum state with a frequency of b;3iexfzzg5egr* a )6$2.0 \times 10^{13} \; Hz$. 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 m padqy c2,*tukbi, 89and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this substanyqt,2, *bkd 9imu8capce?

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