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PRACTICE：Physics Unit29: Molecules and Solids
本Practice来源于https://webassign.org，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 328 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://webassign.org/test328.html
 Author: physics  Publish Date: 2023-05-01 14:26    Total Marks: 27 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月01日 13:55  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Covalent bonding is caused :zhefa9q 1eyrmmk;(3 by

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Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is causedkj.;afwc /kropmk47 0 by

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen mole ,akkb-j*cbs un0yh7vd+ 6b*p cule is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding lxn9, x q-0jdcis caused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of t;bz8y ewvms3 /ikzr-1lyw c78m ta,)hhe following is the strongest bond?

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the followkdbo .ua-0 ls3+ hpco;o 8h2qhzq 1q/wing is the weakest bond?

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator, the energ(6 burksi): nx: vx4key difference between adjacent energy:k )xb4sr:i 6v(exk un levels

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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the L = 1 quantum state hkm 1m6*sa.y smqps i(0as energy E. The s1pm i*s a0y(qskm6.sm ame rotator in the L = 2 quantum state will have energy

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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy of a diatomiiafxwg4 br9z7mtsw . .64 pqv3c harmonic oscillator is

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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, the energy difference betwe ytej qj era09jrcdo*6i107.aen adjacent qu.i10j t 6e*dqj9oej raa c7y0rantum states

Correct Answer:    
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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic ququ iyk+tfbzn.8ul: 3 7k;vfqoz,zf;,ms 20 s tantum mechanical rotator has a rotational e+2:i,s ,zl zukv. y;7 sb3q;80tofz nmkftuqf nergy of

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground s pjp pn4hg8j vjt/3x hw0g3vm*5: 6qvvtate has energy E. This same vibrator in its third sta43: gw*pvh635vv/n h0jgp t j pvxjm8qte has energy

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is caus ze/4;c,ga58t u2xwfk k*mxkbed by

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containing elect;x :)5z ijpar2iw-*xah/5lka f+tqf arons is

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Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy band containing electrons, caldt wmpwene. g6(0v;9eled the valence b. w96 tdewvp0eng ;m(eand, is

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Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is producdlmo96* /z kaied by

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is prodw/8c(yg j;v 35nmm .qzdvj6vuuced by

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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a hol, kw2e6xwc qmfgb84f-e is

Correct Answer:    
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applyy t/9*mga,t*j rt-qahfmz.. ied across a p-type semiconductor, the holes

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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a uht+d /* ehpu-diode with the positive terminal to the p side and the negative terminal to the n side, then diode is *-th eph du/u+said to be

Correct Answer:    
本Practice全部题目来源于https://webassign.org，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
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Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor consists of three semicon+pukx-vl7 b ;jductor sections consistingp;lxj7b ku-v+ of

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical os( )8tjolbg)tc qh*x9ncillator 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?

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule has ftjdl na 09 4lb5l0bq/$2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule w:g uvc):.yw2u.sv oqhas $18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Estimate the rotational energy (in eV) for a diatoo icsiz8. fy23mic hydrogen molecule in the L = 2 quantum state. (The equilibrium separation for the82siyicf.zo 3 H2 molecule is 0.075 nm.)

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule is vibrating in thej -f/fpmqapk3a t;z/w+u8 xx- y4(vyu v = 1 quantum state with a frequency of /t/4ufqm 8vj+ay fpzx-w; ypuk(3- ax$2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy gap between the valence and conduction bands in a certain sj)y z6q rp fwea2/:o ,b( 6w+uyjtorp:emiconducto:p j(j,rryoye /2 zw:qb6p) o6afwu+tr is 1.25 eV. What is the threshold wavelength for optical absorption in this substance?

Correct Answer:    
本Practice全部题目来源于https://webassign.org，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
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    Total:27 mks Pass:16.2 mks Duration:Unlimited
    未答题: 已答题:0 答错题:
    当前第 题，此次Practice共有 27 道题

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