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ICS Part 2 Physics
Chapter 19 Test
Start Chapter 19 Test
ICS Part 2 Physics Chapter Wise Test
(English Medium)
MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 19 Online MCQ's Test"
Try The MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 19 Online MCQ's Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 2 Chapter 19 Online MCQ's Test
00:00
Question # 1
Minimum energy needed to escape an electron ofrm metal surface is called:
Question # 2
Eintein's Photoelectric equation is Ek= hf -∅ in this equation E1, refers to:
Question # 3
Pair production occurs only when energy of photon is at least equal in:
Question # 4
The physical quantity related to photon, that does not change in Compton scattering is.
Question # 5
Who explained the photo electric effect.
Question # 6
Which one of the following physical quantities change with relativistic speed?
Question # 7
The photoelectric effect predicts that light is made of
Question # 8
Compton shift is maximum for scattering angle of photon
Question # 9
The value of Stefan is constant is:
Question # 10
unit of Plank's constant is same as that of.
Question # 11
When platinum is it becomes orange at.
Question # 12
The materialization of energy take place in the process of.
Question # 13
Compton effect proves.
Question # 14
Potassium Cathodes in photocell emit electrons for a light.
Question # 15
In 1905, the special theory of relativity was proposed by
Question # 16
Earth orbital speed is.
Question # 17
Platinum wire becomes yellow at a temperature of.
ICS 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 | In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of. |
A. 90oC
B. Zero
C. 120oC
D. 45oC
|
| 2 | Light of 4.5 eV is incident on a Cesium surface and stopping potential is 0.25 eV, maximum K.E. of emitted electron is. |
A. 4.5 eV
B. 4.25 eV
C. 4.75 eV
D. 0.25 eV
|
| 3 | Wave nature of particle was given by: |
A. Clemensen
B. Louis de Broglie
C. Laster H. Germer
D. Clinton S. Davisson
|
| 4 | The wavelength associated with the protons moving at speed of 40 m/s is. |
A. 7.20 nm
B. 9.02
C. 15.7 nm
D. 17.3 nm
|
| 5 | A block body is an ideal: |
A. Absorber
B. Radiator
C. Both a & b
D. None of above
|
| 6 | Photodiode is used for wave nature of. |
A. Light
B. Thermal radiation
C. Radi waves
D. Sound waves
|
| 7 | Compton's effect is associated with |
A. gamma rays
B. Beta rays
C. X rays
D. Positive rays
|
| 8 | The position has charge which is in magnitude equal to the charge on |
A. Electron
B. Proton
C. β particle
D. All
|
| 9 | Which one of the following paved the way for modern physics |
A. Newtonian mechanics
B. Theory of relativity
C. Quantum theory
D. All of above
|
| 10 | When platinum is heated is become dull red at: |
A. 900°C
B. 500°C
C. 800°C
D. 1100°C
|
Test Questions
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