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PRACTICE:Physics Unit29: Molecules and Solids



 Author: physicsPublish 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 causedyn i00e- 3) xf+rejzim by

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused jh 7(lm9 kl5 ,xekq0ygby

Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hy,pp4kw k3vqsrh 0gl9cby+.gd- kzu0 +drogen molecule is

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is cp(t 224tb fix):pxbxh cqm;)maused by

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following ise nn of0*bmj9 d+9ya4i the strongest bond?

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the weakest boj)e x x sq*(-gm*vhs uyhe1y+/nd?

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator, the energy difference3mkck) ,ecnx*e8g i 0m between adjacent energy leve nk)xmm 3ie c0c*8keg,ls

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical royfs418j xo75:y *dfhaqjt.t9kar og4tator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantumqftt o x148aod. 4rja75y yhjg:s 9k*f 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( h 6iax7tcxqw;i/b *u diatomic harmonic 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 difp/q yujcmp+;; ference between adjacent quant/u;p+m c qjpy;um states

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quantum mechanical rotator 503(e -kfgfsnwwgqh)s nq /2vhas a rotational e q-fsgse5n (0w )w/ kgnv3qhf2nergy of

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground state h8b9 o1zg82k ej.voaishu0xy*as energy E. This same vibrator in its third state has ene osahibgyvk8zu 0o.j2x 8 *19ergy

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is cause9d48(mg-r t4que w,xa/jtri k i0,qbwd by

Correct Answer:    

Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, thr*x4sgeas :h0n/p hr9j7 h+:uthqoo *e highest energy band containing electrons is

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy band containid ,)0)) p6hx5mx2 cp2 ue,sdqvvgbkxvng electrons, called the valence ba)0vxkx2),)mgp p ec v6h2v udd5,sqbxnd, is

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is produced b17wc9a e6)-clwhqt h vud2;qw2 wq9v vy

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is produclw nez 0p +/hqu*f1v/aed by

Correct Answer:    

Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductork-6(fpa yb 8wsp/ved, , a hole 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 semazh8hxn.a9m ) iconductor, 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 po7dwr6p;tpg94xo9k au sitive terminal to the p side and the negative terminal to the n side, then diode is saidru94apdtp xko69;wg 7 to be

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor consists of three semi, l-q9cnhaj0r jn te+ b5n;k/econductor sections consistingchrj/9 je 50nnqe, +atkl;n -b of

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has a moment of inersw 4whm n a*/d37 sisax0pb,i8tia 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 hacz0t 1ukw51zd sggn7i.t;g3 bzl v(9oaeqz/ 7s $2.6 \times 10^{-5} \; eV$ 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 has 9g,antkm8+ nmxpprnu2ox 1w.h(8k ; r $18 \times 10^{-5} \; eV$ 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 diatomic hydrogen molecule in the L,gye/5d b(x ko = 2 quantum state. (The equilibrium sepy gd(k, 5beo/xaration 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 the v = 1 quantui5j n*yks8,q **zl.fv )swoyxm state with a frequency of *5yiszf q*slj o8.*wnkvx)y,$2.0 \times 10^{13} \; Hz$. 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 6p+b s u,g l:4b3fjhz.8g jwsdin a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in thi, ufss l zg.jwp4+3bbg 86h:jds substance?

Correct Answer:    

  • :
  • 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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