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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 causec jz8 aj;rf4bas30 1pzd by

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is causl8+wf vq,vyc v5fof63ed by

Correct Answer:    
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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrob l+p2oyq,q .,rzmeo 4gen molecule is

Correct Answer:    
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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is causedmfa3:c3uc-pf5wly 0sa* (g ui by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following4 b6 qoe1urll- 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 f vcp c; ;sne3)a*z,djmollowing is the weakest bond?

Correct Answer:    
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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mecwc -3 xksxv *s( lkki-dlq89xw7u /f6rhanical rotator, the energy difference between adjacent e /cuv(r*wkxs--k987wsfx l6 di 3lxq knergy levels

Correct Answer:    
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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 has ene* zx 2fdj0e(kd*o6wy vrgy E. The same rote*0k6 *jfozdx(wdyv 2ator in the L = 2 quantum state will have energy

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy of a diatomic hsi t5ac;g:o)n4fr8 /me -wfjvarmonic oscillator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, the energy difference between ad e2dqx5 ,twm50b2fx ccjacent quantum staxm bqc5fxed2,c0 5wt2tes

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, qup+gcdf04me *yg d8gs h343c a diatomic quantum mechanical rotator has a rotational energy ofqd4y330pdueg+cf8ch g* s4 m g

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator 7/rk :h w2 g:gjbqo,*qp)f hwmin its ground state has energy E. This same vibrator in go7):rmq2jp qwhfh:w/ *g,k bits third state has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is causednyaj;iqs+9r b(ujv+s0 so r-5 by

Correct Answer:    
Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containing electrons is/njk5l*,hx40w fw ci5 pix)m j

Correct Answer:    
Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy band cor:mm hj6mh cvz3t-8o)ntaining electrons, called the valm)c83m-: zhj o6thv rmence band, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is produced b6hrunpl.-hg5m f0 9vby

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor i:8h 1dk w8ieh94vcuhns produced by

Correct Answer:    
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Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a holf (e ,a6o3,rkw mmmgh);(fmu:jib wb, e is

Correct Answer:    
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied across a p-type se+:4k(3n/2 u rgtv7okk+tep aj9ztz z emiconductor, the holes

Correct Answer:    
Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a diode with the positive terminal to ib,;+f vyxv, uu-c9tdthe p side and the negative terminal to tuxvcfut- bdi; 9y v,,+he n side, then diode is said to be

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor consistsh8;k4olj 6iz7+ylhknesf9u 9g wowj:w x014l of three semiconductor sections consisting of uzw 7jnh:ose6l oli+jywg199k4k8h 0 wxl4 ;f

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a moment of inertia ofiv. af 3ae.m b ua9c./z(ju;cv $7.73 \times 10^{-45} \; kg \cdot m^{2}$. 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 yqtl( 823xt ,q x1z7-zppbouq2 v tpl6$2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

Correct Answer:    
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Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule hzf )uc0x8r5lj apndaz d2l/ (0as $18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

Correct Answer:    
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Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Estimate the rotational energy (in eV) for a diatocid3up/p*viu g m*+b5 mic hydrogen molecule in the L = 2 quantum state. (The equilibrium separation for the H2 moleculeupip5u*c b3*vd /+mgi 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 the v = 1 quantum state with a frequencaf bhuu6hh bgt *bpl3 3(//g6gy of bh (/a 3 6bufhgl*p3 6uhbtg/g$2.0 \times 10^{13} \; Hz$. 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 w+w9yxfucp3x, : t*5wk.yamf valence and conduction bands in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption iwxpmca w:*fk. 5 ,y39wfx+ytun this substance?

Correct Answer:    
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    Total:27 mks Pass:16.2 mks Duration:Unlimited
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