Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

FSC Part 2 Physics
Chapter 19 Test

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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test"

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Physics FSC Part 2 Chapter 19 Online MCQ's Test

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Question # 1

The wavelength associated with the protons moving at speed of 40 m/s is.

Question # 2

When platinum is heated is become dull red at:

Question # 3

Which is the most refined form of matter.

Question # 4

When platinum is it becomes orange at.

Question # 5

Albert Einstein got noble prize in:

Question # 6

We can never accurately describes all aspects of sbatomic particles simulatanously. It is correct according to:

Question # 7

A block body is an ideal:

Question # 8

The unit for Plank's constant is:

Question # 9

The numerical value of Compton wavelength is equal to

Question # 10

The quantity/factor h/moc has the dimensions of.

Question # 11

Eintein's Photoelectric equation is Ek= hf -∅ in this equation E1, refers to:

Question # 12

The physical quantity related to photon, that does not change in Compton scattering is.

Question # 13

Energy of Black body radiation depends upon

Question # 14

Photo electrons are emitted y using visible light when the metal is.

Question # 15

The mass of an object will be doubled at speed.

Question # 16

In an nihilation emitted photons moves in opposite directions to conserve.

Question # 17

The minimum frequency needed to emit an electron form metal surface is called:

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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 converses of annihilation of matter is:
A. Photoelectric effect
B. Relativistic effect
C. Pair production
D. Compton effect
2 The minimum frequency needed to emit an electron form metal surface is called:
A. Work function
B. Threshold frequency
C. Quanta frequency
D. All of above
3 Compton's effect is associated with
A. gamma rays
B. Beta rays
C. X rays
D. Positive rays
4 unit of Plank's constant is same as that of.
A. Acceleration
B. Angular momentum
C. Linear momentum
D. Entropy
5 The most refined form of matter is:
A. Smoke
B. Light
C. Ice
D. Fog
6 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
7 A positron is an anti particle of.
A. Proton
B. Electron
C. Neutron
D. Photon
8 The principle regarding the dual nature of light was first discovered by
A. Heisenberg
B. Compton
C. J.J.Thomson
D. De-Broglie
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 The special theory of relativity based on.
A. One postulate
B. Two postulates
C. Three postulates
D. Four postulates

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