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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 causes8e1ylu1p z b2d 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 cau)zqk 30; mrk4ikxu(sw sed 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 hydrog f1p7n-*zc m 0zoun,uaen 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 c +sfmbmr,s+q .aused 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 ea8ba )om +00wqj3d//tvv3jtdlm)0dr4w tar 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 folzq riaz*r;2+ g q8or/alowing 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 between adjacetq amwq -m)/o9vk6 *ggnt energy lmg-wqak6* votg/9m) qevels

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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 rotjp, f;8gri di,q .nmsj(3v r9vator in the L = 1 quantum state has energy E. The same rotator in the Lv9mp(;g,8s rrjvn3q .idfij, = 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 statemi)e4iynj u3 *, the 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 enee) /erpx vw*s7rgy difference between adjacent quae*w )e7r/svpx ntum 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 +i/ve)oqis u/ state, a diatomic quantum mechanical rotator has a rotational v/ q+ii/ esuo)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 its ground state has energylkxc, sh re*t5,y2,ker g uqvs 132st( E. This same v3x,tlsvkk, *e t5yhqussr eg2c2r,( 1ibrator in its 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/*9 0yfm swccwqzr(5 h 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 cont 00y5y t3bmw-14bhtqk;a vbsuaining 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,ian fic:,-tg - called the valence bana iti--:, gfcnd, 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 semiconduct y/e(*q z zvm0c;d9pivor is 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 producso6 u)ft 92: tiyx)veted 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 -ikd3xi(oy29 ci nvg6hole 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, tia8r pvf1l0d v6c3y l*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 connecte +m v3u,o+wzlb2.kk phd to a diode with the positive terminal to the p side and the negative terminal to 2 zk+m+vhl,ok.wb up3 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 semiconductor se4x*j /spzo rs0ctions consistings/szr0 4o*xp j 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 momen,q s;1gf/;zsel t c3bl,v t d0aww0j5jt 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 hqv4 b e:o1sj-p-3ygfi 3cwvq6as $2.6 \times 10^{-5} \; eV$ 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 ha1r( e qugqcy2oq.pc:8 s $18 \times 10^{-5} \; eV$ 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 e9h oc*hr0l/c zV) for a diatomic hydrogen molecule in the L = 2 quantum state. (The eq z* r9l0hcc/ohuilibrium 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 x/ hh3tnbyb i53e q 9wh6:fgb;= 1 quantum state with a frequency of hgn: 3b/ ;yqwbhbe3 hi9x5tf6$2.0 \times 10^{13} \; Hz$. 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 theh j*s97,qnbofa:mu s- valence and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold w: ousb*m-a9j7qns,h favelength for optical absorption in this substance?

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