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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 causej:)a vy5t5 klolhw8/ kh-f1) aqgd5fid by

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused v r 50awvq2zdng)ss5 (75/fqefkko,eby

Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogenruiop stf8.c.32tg*y molecule is

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is causg8 zk px1omd ryj fcl( q:lg4t15g;(/ned by

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the t;ui* 3sy 4g+megwn*b strongest bond?

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the followin) m9hre4yxs3dw 1iz1jp:zp o- g is the weakest bond?

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rot*vz morb 85g/ou a1+kcator, the energy difference between adjacent e 1corgz*mu/a5 8k+vo bnergy levels

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the L = 1 quantum state hdulzrx-o ;o8. as energy E. The same rotator in the L = 2 quaxolzor ; d.8-untum state will have energy

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the6 3hm o/cpdr;.ufbcp -kp d6v1 energy of a 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 v hsl3hn)d5t2 bp q1d40xpe*qenergy difference between adjacent quantum statqht2d l*3)s1 d5p0p4v xhnb qees

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quantum m,6+ d j44fpummoe/q slechanical rotator has a rotational energy ulm f sqj+o,p/46m 4deof

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in its ground staur( jg.)2sx5(jig8 sf-fx zgk te has energy E. This same vibrator in its tj uz(s.xf8 (-fig 2gxsjgr5 )khird state has energy

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is : tktt+5j2fh tcaused by

Correct Answer:    

Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containingk)wzqo; cpgme x i :y67nu/c.* electrons is

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, thezna1 zrlc)*3h highest energy band containing electrons, called the valence bazz*n3r achl1)nd, is

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is gg:v(fklht h gt0( /.zdq1w*qproduced by

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconducton,3ht2rxy:gn+e1 q:ju cle ;m r is produced by

Correct Answer:    

Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a hpmr j t1-d ae-4y-v: 9uzegr3hole is

Correct Answer:    

Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is app2/ wu z)am3fzo8af sh5hc w9g6lied 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 diode5-5u 7d zad:5o de0fm/lgckug with the positive terminal to the p side and the negative terminal to the n side, e-kfz7gudgd5da05 c om/: lu5 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 of three semiconductor ei,t v6 si/qxfrp *6+isections consisting ofi*/s6t viqp +6ir exf,

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has7c,fo*-7cs otmy80e px 0quln 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 hasut8m*k io 7n6fs3a fu2 $2.6 \times 10^{-5} \; eV$ 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 -p2 tw r1e2 8ic +elcobgji 5an.l/zh7has $18 \times 10^{-5} \; eV$ 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 .sd2cj9wi 0mu6h;ozn diatomic hydrogen molecule in the L = 2 quantum state. (Th0 oin j2m;dcu .ws9zh6e equilibrium separation 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 vibratxewew ri m;h62er9z/ gj2kv+fv3 v2. sing in the v = 1 quantum state with a frequency of v/ixmre2 vww23z2gfe6vh9 s ;+e.rkj $2.0 \times 10^{13} \; Hz$. 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 cer kf(fes p4fzvciahe/i/g/21 8tain semiconductor is 1.25 eV. What is the threshold wave/hveff/4s(z/a2 fieci 81gkplength for optical absorption in this substance?

Correct Answer:    

  • :
  • Total:27 mks Pass:16.2 mks Duration:Unlimited
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