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FSC Part 2 Physics
Chapter 19 Test
Start Chapter 19 Test
FSC Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics FSC Part 2 Chapter 19 Online MCQ's Test
00:00
Question # 1
De-Broglie waves are associated with
Question # 2
The value of Stefan is constant is:
Question # 3
The unit of work function is
Question # 4
A perfect absorber must also be perfect
Question # 5
In Compton effect the photon behaves as a.
Question # 6
The energy of the photon of wavelength 500 nm is.
Question # 7
The principle regarding the dual nature of light was first discovered by
Question # 8
Application of wave like nature of particle is
Question # 9
Einstein was awarded Nobel prize in physics in
Question # 10
The wavelength associated with the protons moving at speed of 40 m/s is.
Question # 11
The photon with energy greater than 1.02 MeV can interact with matter as.
Question # 12
The stopping potential for a certain metal is 10 volts. Thus work function for the cathode is.
Question # 13
Number of electros emitted in photo electric effect depend upon.
Question # 14
Compton shift is maximum for scattering angle of photon
Question # 15
The minimum frequency needed to emit an electron form metal surface is called:
Question # 16
In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of.
Question # 17
Einstein photoelectric equation is
FSC Part 2 Physics Chapter 19 Online Test MCQ's
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FSc Part II Physics Chapter 0 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | When a very high energy modeules such as y radiation interact with matter, the phenomenon arising will be. |
A. Photoelectric effect
B. Compton effect
C. Pair production
D. Annihilation of matter
|
| 2 | The photon with energy greater than 1.02 MeV can interact with matter as. |
A. Photoelectric effect
B. Compton effect
C. Pair production
D. annihilation of matter
|
| 3 | The value of Wien's constant: |
A. 2.9x10-3mk
B. 2.19x10-7mk
C. 3.18 x106 km-1
D. 6.21 x 10-9m2wk3
|
| 4 | Who explained the photo electric effect. |
A. Max Plank
B. Einstein
C. Henry
D. Rutherford
|
| 5 | Disintegration of photon on striking a nucleus into an electron and positron is known as. |
A. Annihilation of matter
B. Compton effect
C. Pair production
D. Photo electric effect
|
| 6 | The photoelectric effect predicts that light is made of |
A. Photons
B. Neutrons
C. Protons
D. None of these
|
| 7 | When the K.E. of photoelectric is zero, the frequency of incident photon is. |
A. Less than
B. greater than
C. Equal to
D. Much greater
|
| 8 | Joule second is the unit of. |
A. Energy
B. Wein's constant
C. Planck's constant
D. Boyle's law
|
| 9 | Potassium Cathodes in photocell emit electrons for a light. |
A. Visible
B. Infra red
C. Ultra violet
D. X rays
|
| 10 | Albert Einstein got noble prize for service in: |
A. Pair production
B. Annihilation of matter theory
C. Compton effect
D. Photoelectric effect
|
Test Questions