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

Pair production cannto take place in vacuum because :

Question # 2

Which is the most refined form of matter.

Question # 3

An electron miroscope emplys which to one of the following particles?

Question # 4

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

Question # 5

Minimum energy needed to escape an electron  ofrm metal surface is called:

Question # 6

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

Question # 7

The photoelectric effect predicts that light is made of

Question # 8

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

Question # 9

The photon with energy greater than 1.02 MeV can interact with matter as.

Question # 10

Einstein was awarded Nobel prize in physics in

Question # 11

The materialization of energy take place in the process of.

Question # 12

The special theory of relativity based on.

Question # 13

The most refined form of matter is:

Question # 14

The position has charge which is in magnitude equal to the charge on

Question # 15

Wave nature of particle was given by:

Question # 16

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

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 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
2 A positron is an anti particle of.
A. Proton
B. Electron
C. Neutron
D. Photon
3 Wave nature of particle was given by:
A. Clemensen
B. Louis de Broglie
C. Laster H. Germer
D. Clinton S. Davisson
4 The photoelectric effect predicts that light is made of
A. Photons
B. Neutrons
C. Protons
D. None of these
5 The concept of direction is purely
A. Relative
B. Absolute
C. Relative to the motion
D. None of these
6 The dimensions of Plank's constant is same as that of.
A. Energy
B. Power
C. Acceleration
D. Angular momentum
7 Compton effect proves.
A. Wave nature of radiation
B. Wave nature of particle
C. Dual nature of particle
D. Particle nature of radiations
8 The uncertainty principle was given by
A. De-Broglie
B. Heisenberg
C. Einstein
D. Max Planck
9 Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.
A. X rays
B. Gama rays
C. Heat Radiation
D. Ultraviolet rays
10 Einstein photoelectric equation is
D. None of these

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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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