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

De-Broglie waves are associated with

Question # 3

A positron is an anti particle of.

Question # 4

The unit of work function is

Question # 5

The emission of electrons from metal surface when exposed to light is called:

Question # 6

Compton effect proves.

Question # 7

The materialization of energy take place in the process of.

Question # 8

The uncertainty principle was given by

Question # 9

1 kg mass will be equivalent to energy.

Question # 10

The minimum energy required for occurrence of pair production is:

Question # 11

When platinum is heated is become dull red at:

Question # 12

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

Question # 13

Unit of Stephen's constant is

Question # 14

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

Question # 15

Einstein was awarded Nobel prize in physics in

Question # 16

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

Question # 17

Energy of Black body radiation depends upon

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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 Who explained the photo electric effect.
A. Max Plank
B. Einstein
C. Henry
D. Rutherford
2 The uncertainty principle was given by
A. De-Broglie
B. Heisenberg
C. Einstein
D. Max Planck
3 Potassium Cathodes in photocell emit electrons for a light.
A. Visible
B. Infra red
C. Ultra violet
D. X rays
4 Energy of Black body radiation depends upon
A. Nature of surface of body
B. Nature of material of body
C. Shape and size of body
D. Temperature of the body
5 Wave nature of particle was given by:
A. Clemensen
B. Louis de Broglie
C. Laster H. Germer
D. Clinton S. Davisson
6 Which one of the following physical quantities change with relativistic speed?
A. Length
B. Time
C. Mass
D. All of above
7 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
8 De-Broglie waves are associated with
A. Moving charged particles only
B. Moving neutral particles only
C. All moving particles
D. All parties whether in motion or at rest
9 The value of Stefan is constant is:
A. 4.57 x 10-8 m2k2
B. 5.67 x10-8 wm-2k-4
C. 6.67x 10-11 wm2k4
D. 7.45 x  10-9 m2 wk3
10 The most refined form of matter is:
A. Smoke
B. Light
C. Ice
D. Fog

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  • Ali raza

    Ali raza

    09 Dec 2017

    Helpful

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  • Intikhab

    Intikhab

    11 Aug 2017

    10/17

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  • tayyab

    tayyab

    30 Apr 2016

    good and very helpful for exam preparation

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