2nd Year Physics Chapter 19 Online MCQ Test for 12th Class Physics Chapter 19 (Dawn of Modern Physics)

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

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Physics ICS Part 2 Chapter 19 Online MCQ's Test

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Question # 1

Anti particle of electron is

Question # 2

Compton effect proves.

Question # 3

Platinum wire becomes yellow at a temperature of.

Question # 4

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

Question # 5

Energy of Black body radiation depends upon

Question # 6

Which one of the following paved the way for modern physics

Question # 7

Application of wave like nature of particle is

Question # 8

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

Question # 9

Which one of the following physical quantities change with relativistic speed?

Question # 10

All motions are

Question # 11

If an object moves with speed of light, its mass will be.

Question # 12

When the K.E. of photoelectric is zero, the frequency of incident photon is.

Question # 13

In Compton effect the photon behaves as a.

Question # 14

The unit of work function is

Question # 15

In the equation if f2 > then

Question # 16

The energy of photon is givne by

Question # 17

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

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The most refined form of matter is:
A. Smoke
B. Light
C. Ice
D. Fog
2 The photoelectric effect predicts that light is made of
A. Photons
B. Neutrons
C. Protons
D. None of these
3 Albert Einstein got noble prize for service in:
A. Pair production
B. Annihilation of matter theory
C. Compton effect
D. Photoelectric effect
4 Max planck received noble prize in:
A. 1927
B. 1932
C. 1918
D. 1914
5 Compton's effect is associated with
A. gamma rays
B. Beta rays
C. X rays
D. Positive rays
6 The quantity/factor h/moc has the dimensions of.
A. Length
B. Time
C. Mass
D. Energy
7 Internal frame is a frame is which
A. 1st law holds
B. 2nd law holds
C. 3rd law holds
D. Kelvin's law holds
8 Eintein's Photoelectric equation is Ek= hf -∅ in this equation E1, refers to:
A. K.E of al the emited electrons
B. Mean K.E of emited electrons
C. Maximum K.E of emited electrons
D. Minimum K.E of emited electrons
9 Wave nature of light appears in
A. Pair production
B. Compton effect
C. Photo electric
D. Interference
10 The uncertainty principle was given by
A. De-Broglie
B. Heisenberg
C. Einstein
D. Max Planck

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