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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Physics FSC Part 2 Chapter 19 Online MCQ's Test

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Question # 1

unit of Plank's constant is same as that of.

Question # 2

Albert Einstein got noble prize for service in:

Question # 3

The converses of annihilation of matter is:

Question # 4

In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of.

Question # 5

Pair production occurs only when energy of photon is at least equal in:

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

In the equation if f2 > then

Question # 8

Max planck received noble prize in:

Question # 9

Unit of Stephen's constant is

Question # 10

Number of electros emitted in photo electric effect depend upon.

Question # 11

Who explained the photo electric effect.

Question # 12

When platinum is heated is become dull red at:

Question # 13

Einstein was awarded Nobel prize in physics in

Question # 14

The existence of positron was discovered in:

Question # 15

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

Question # 16

A block body is an ideal:

Question # 17

Using relativistic effects the location of an air craft after an hour fight can be predicated about

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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 Maximum Compton shift is observed at.
A. 30oC
B. 90oC
C. 45oC
D. 180oC
2 A positron is an anti particle of.
A. Proton
B. Electron
C. Neutron
D. Photon
3 The emission of electrons from metal surface when exposed to light is called:
A. Compton effect
B. Pair production
C. Photoelectric effect
D. None of above
4 When platinum is it becomes orange at.
A. 500oC
B. 900oC
C. 1100oC
D. 1300oC
5 The converses of annihilation of matter is:
A. Photoelectric effect
B. Relativistic effect
C. Pair production
D. Compton effect
6 Internal frame is a frame is which
A. 1st law holds
B. 2nd law holds
C. 3rd law holds
D. Kelvin's law holds
7 The principle regarding the dual nature of light was first discovered by
A. Heisenberg
B. Compton
C. J.J.Thomson
D. De-Broglie
8 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
9 The most refined form of matter is:
A. Smoke
B. Light
C. Ice
D. Fog
10 Albert Einstein got noble prize for service in:
A. Pair production
B. Annihilation of matter theory
C. Compton effect
D. Photoelectric effect

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