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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
Potassium Cathodes in photocell emit electrons for a light.
Question # 2
A positron is an anti particle of.
Question # 3
If an object moves with speed of light, its mass will be.
Question # 4
The value of Wien's constant:
Question # 5
Who explained the photo electric effect.
Question # 6
The number of electrons emitted depends upon
Question # 7
Joule second is the unit of.
Question # 8
The converses of annihilation of matter is:
Question # 9
Einstein was awarded Nobel prize in physics in
Question # 10
The numerical value of Compton wavelength is equal to
Question # 11
The photon with energy greater than 1.02 MeV can interact with matter as.
Question # 12
De-Broglie waves are associated with
Question # 13
The uncertainty principle was given by
Question # 14
In the equation if f2 > then
Question # 15
Which one of the following physical quantities change with relativistic speed?
Question # 16
A positron is an anti particle of.
Question # 17
Which one of the following paved the way for modern physics
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 | Using relativistic effects the location of an air craft after an hour fight can be predicated about |
A. 20 m
B. 50 m
C. 760 m
D. 780 m
|
| 2 | If an object moves with speed of light, its mass will be. |
A. Zero
B. Maximum
C. Minimum
D. infinity
|
| 3 | A perfect absorber must also be perfect |
A. Cavity
B. Sources of radiation
C. Radiator
D. None of these
|
| 4 | When platinum is it becomes orange at. |
A. 500oC
B. 900oC
C. 1100oC
D. 1300oC
|
| 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 | Photo electrons are emitted y using visible light when the metal is. |
A. sodium
B. Copper
C. Nicked
D. Cobalt
|
| 7 | The minimum energy required for occurrence of pair production is: |
A. 1.022eV
B. 1.02keV
C. 1.02Me.V
D. 1.04MeV
|
| 8 | unit of Plank's constant is same as that of. |
A. Acceleration
B. Angular momentum
C. Linear momentum
D. Entropy
|
| 9 | The energy of photon is givne by |
A. mv2/2
B. hf
C. Va e
D. mac1
|
| 10 | Compton's effect is associated with |
A. gamma rays
B. Beta rays
C. X rays
D. Positive rays
|
Test Questions