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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 caused by;x )jr kroacl s.2q(t+

Correct Answer:    

Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is cau0l yij(qysb9vi2 - lgpsi8( -kv6wf5bsed by

Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen molv5jyv7nqh 6(vecule is

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is causg 9j v8ns1lqm:ed by

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the s-e5po t, wrn9bg6 p8rctrongest bond?

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following1d(jb( * xnfuj is the weakest bond?

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical rotator, tok* /kw6k5 mh 3xbelg6a10qo jhe energy difference between adjacent energyh365*1xq0/ejkg6w okl o ba mk levels

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechansnf ws8hv-f rskj l*2c +z/)x8)m0vecical rotator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will hakv zs8)xfsr8fncv+*h w)0-j 2l/cmseve 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 diato 55s pjn)kaxf2o91ug8n6cnjdmic 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 difference cu+-z5kkk* p m*u tp+fbetween adjacent *5mz+ upckkk +fu-pt*quantum 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 rors9- nb x(ge1y6h/d dktm p(1vtator has a rotation(skd19/yge n6bht1m v(rx-pd al energy of

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator inj*f6h1zyt7;w0ndmmo04x l bo its ground state has energy E. This sh w0fox* btl6401;md7z ojyn mame vibrator in its third state has energy

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is ca f-f2-nmr ,cd2crm,s lused 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 t ; (tyk mo*.o ley5caqi4z*3pu9,nyk

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highetf- ez4yu0)4njkigx1 st energy band containing electrons, called the vaxft uynkj 4- z41i0ge)lence band, is

Correct Answer:    

Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor iuc9de(n) 1wz0 a/wtdls produced by

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor:/cpb)cgapz g ,i5 u+s is produced by

Correct Answer:    

Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, akv;q,a x 3 ljvp0e+x4z hole is

Correct Answer:    

Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied acrospvhz:i:ye.aq 9c+o00ukyo ..xmzw3 pu qd23ls 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 di l(qr3m i9zu3node with the positive terminal to the p side and the negative terminal to the n side, then diode is slq3nmu(9 rz3iaid to be

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor cl w3 zsu)f/mz3onsists of three semiconductor sections consisting uw3zl3 fmz /)sof

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has /ya8xv1e+ zy nm(61.cgs jtzyd4kg* pa 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 hmdkq08 w7rgi )as $2.6 \times 10^{-5} \; eV$ 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 haspjy6xhg/ , :ft $18 \times 10^{-5} \; eV$ 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 (*rcx05ykn0 v6 kd dyo;in eV) for a diatomic hydrogen molecule in the L = 2 quantum state. ov*y;xcnkd056k 0 d ry (The 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 vib;ili/ocycv0j;j g7t0zi 7 s: lrating in the v = 1 quantum state with a frequency of c7;giy0jjlts/l7 c0v:zi oi;$2.0 \times 10^{13} \; Hz$. 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 band ,rnfb. -cv3aps in a certain semiconductor is 1.25 eV. What is the threshold wavelength for optical absorption in this substavn-p3br c.af, nce?

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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