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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 cau ;pt-c ojn10vesu67f hsed by

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is cause/e 4iwmk3) gp4x:upb ud 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 hy9 i rs01 d2mcj+z82 yy0bgmqtgdrogen molecule is

Correct Answer:    
Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is caum8n u(xkqq e1+x m35fysed by

Correct Answer:    
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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the strongest oj tys7z56s)i1k gqu ))paks:bond?

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following os9 j8 yguy+s5ht.;udis the weakest bond?

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum -dnbm.f v82ou+ mt0jzmechanical rotator, the energy difference between adjacen0m jouv+f-mtz n2bd 8.t energy 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 +xuypa7s g5+* q x cxa.e2mhs:+nkgeq,wrj.: quantum state has energy E. The same rotator in the L = 2 * a 2aw ,x:hxsge5 ++q.ksp 7grqey+x.jn:ucmquantum 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 energ9ydzwy-*co0 8-vb7qx:osc i iy of a diatomic harmonic oscillator is

Correct Answer:    
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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 differen z/0y:lj e+- k:lhfkfc7j/jwwce between adjacent quantum z j-kkjj7h l:e cylfw/f/:+w0states

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantuur 1qkxh( tym2 7(yrzce5w,2r.1bj n4t tq8re m state, a diatomic quantum mechanical rotator has a rotational energy(t4r.rh5q12 ,euk y(enjw qxt2tzbrm 1 7c8ry of

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechans fl0 h zw2:ovt e-+4wb67axlkical vibrator in its ground state has energy E. This same vibow z4sbv-a7hl20kx +etl 6 f:wrator in its third state has energy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is ;e 5l;ul u5l8leyp/ki y: hmn8caused by

Correct Answer:    
Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the.rq fo :cm5(b8)em0v.a qw syq highest energy band containing electrons 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, called taadsmb o 99 /q6u5j:lq7ju2s3z cakz9he valencqsu93da2maa7 so/u:j bkl z z5j9cq96e band, is

Correct Answer:    
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Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is /zb9+ t+lymszproduced by

Correct Answer:    
Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is producedpgd sty2z2j9pu 7.v,w,s th+p*sr q6l by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a hole if ,s: lh s(kf;t z9zdj:mwa+k19p/woo s

Correct Answer:    
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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is appqybw zhr/jn*9 n(r*x4 lied across a p-type semiconductor, 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 the p sisi5ais.h(5 uide and the negaih5 sia.si5(utive terminal to the 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 consists 8/: 4fbvdq9t( dvfydz of three semiconductor sections consisting o yvd 4d:z(9 /b8fdtqfvf

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a bin8o- y/j*nk 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 ha:u/t9 c)p(q bcg ka4lqs $2.6 \times 10^{-5} \; eV$ 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 ha+,l i0l3 6htzbhu) mh8op+x.* fzz8;mp wtksns $18 \times 10^{-5} \; eV$ 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 diatomis3 pah*oy op3j md:6n(j 36qsuc hydrogen molecule in the L = 2 quantum state. (The equilibrium separ duson( oshj*pj3 a:6y3pq36mation for the 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 t1 jbx,jhej/e8 he v = 1 quantum state with a frequency of /je e 1hx8,jjb$2.0 \times 10^{13} \; Hz$. 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 semiconducah7zof*abt - .mx0yz. tor is 1.25 eV. What is the threshold waveleng-.h az*y 7fb.o am0txzth for optical absorption in this substance?

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