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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
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Question # 1
The mass of an object will be doubled at speed.
Question # 2
If the kinetic energy of a free electron doubles, its de Broglie wavelength changes by the factor.
Question # 3
The dimensions of Plank's constant is same as that of.
Question # 4
The existence of positron in 1928 was predicted by
Question # 5
When the K.E. of photoelectric is zero, the frequency of incident photon is.
Question # 6
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.
Question # 7
The unit for Plank's constant is:
Question # 8
If the energy of photon is 10 eV and work function is 5 eV, then the a value of stopping potential will be
Question # 9
Disintegration of photon on striking a nucleus into an electron and positron is known as.
Question # 10
If an object moves with speed of light, its mass will be.
Question # 11
Which one of the following paved the way for modern physics
Question # 12
The uncertainty principle was given by
Question # 13
Internal frame is a frame is which
Question # 14
In the equation if f2 > then
Question # 15
Using relativistic effects the location of an air craft after an hour fight can be predicated about
Question # 16
The existence of positron was discovered in:
Question # 17
The converses of annihilation of matter 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 | The dimensions of Plank's constant is same as that of. |
A. Energy
B. Power
C. Acceleration
D. Angular momentum
|
| 2 | The converses of annihilation of matter is: |
A. Photoelectric effect
B. Relativistic effect
C. Pair production
D. Compton effect
|
| 3 | Anti particle of electron is |
A. Proton
B. Photon
C. Neutron
D. Positron
|
| 4 | A perfect absorber must also be perfect |
A. Cavity
B. Sources of radiation
C. Radiator
D. None of these
|
| 5 | We can never accurately describes all aspects of sbatomic particles simulatanously. It is correct according to: |
A. Uncertainity Priciple
B. De-broglie Theory
C. Einstin Theory
D. Photo electric effect
|
| 6 | The minimum energy required for occurrence of pair production is: |
A. 1.022eV
B. 1.02keV
C. 1.02Me.V
D. 1.04MeV
|
| 7 | Photo electrons are emitted y using visible light when the metal is. |
A. sodium
B. Copper
C. Nicked
D. Cobalt
|
| 8 | 1 kg mass will be equivalent to energy. |
A. 9 x 108 J
B. 9 X 1012 J
C. 9 X 1016 J
D. 9 X 1019 J
|
| 9 | When platinum wire is heated, it changes to cherry red at temperature. |
A. 500oC
B. 900oC
C. 1100oC
D. 1300oC
|
| 10 | Albert Einstein got noble prize in: |
A. 1926
B. 1921
C. 1918
D. 1931
|
Test Questions