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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 bgvf58c dnn8d 1y

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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 by5vd8np 9g67gi/a*gvng;z ns)sni bf+

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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 hydrog i e7+qikgzd32en 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 bondingi wpw2q2:1 sti ;kk(tds-jg*b is 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 3mi s w6/us:tifollowing 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 the following is the weaf +ad8vy/ n9bu4igbr9kest 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 enewzaf.;i3fq ,b rgy difference between adjacentw;fqifb , za3. energy 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 j b+(rk kbe/x,6g:cej( ytka7the L = 1 quantum state has energy E. The samex7 y(,/kbejae:jckk+6 t( rbg rotator 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, tha 5rtu3s tndg-bb w:00e 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 cw:q2m)tgg *pyd :qx/ difference between adjacent qytc wq:p/dgq2m)x g: *uantum 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 difl/ij5 0ihf,jatomic quantum mechanical rotator has a rotationaf05ljif, /i hjl 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 vibrator in x08jc .u:sjodl;6i ft its ground state has energy E. This same vibrator in its third state8:6f;is ljjd. o xu0tc 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 )nym3j4sb w)mused 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, thehcc h*(:ep fy) 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, called3wvaw +tia 6kjg0,bn* the valence ban 60 jwawan t3i,k+*vgbd, 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 6f hvvf1+3fy h5s1e5y.xd ywois 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 prodg : m17n1e(pore 8lkei(me kplx2l2m*uced 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 is( hq:dlm biv(adr3siz;10 zl:

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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, the6lqxrx:66q pz 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 tero3 xb x10,ezpmccl3r2: vfr1rminal to the p side and the negative terminal to the n side, then diode is said tocp 1br3lc3x ,f ezo2:rxv1m0 r 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 consiksjts5.1 -wzw-vn48oyq cdi 2sts of three semiconductor sections consisting o1.8 is5ksonv -q2-4ctjzw dy wf

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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 inertu)t +pgj;daof5 vy.c+* z6 llmia 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 l u93 mm04msui$2.6 \times 10^{-5} \; eV$ 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 hab)llv-2p kv73n 2-c(as qbkjts $18 \times 10^{-5} \; eV$ 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 u6q+g+7lq h fjruqy tuw86,0nmolecule in the L = 2 quantum state. (The equilift 6qqguw q67 +h8y+lu0rnj,ubrium 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 frequency of6 ,ww*wpwv 0en , wv w6w0*ewpn$2.0 \times 10^{13} \; Hz$. 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 ba(h*wbc aj 78mw *pz7gmnds in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in t7 hczmm8bgpwa7 wj (**his substance?

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