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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  • Total Questions17

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Physics FSC Part 2 Chapter 19 Online MCQ's Test

00:00
Question # 1

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

Question # 2

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

Question # 3

Compton shift is maximum for scattering angle of photon

Question # 4

Application of wave like nature of particle is

Question # 5

A block body is an ideal:

Question # 6

When platinum is heated is become dull red at:

Question # 7

The numerical value of Compton wavelength is equal to

Question # 8

Albert Einstein got noble prize for service in:

Question # 9

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

Question # 10

Energy of Black body radiation depends upon

Question # 11

All motions are

Question # 12

The materialization of energy take place in the process of.

Question # 13

The Compton effect is associated with

Question # 14

Einstein was awarded Nobel prize in physics in

Question # 15

Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.

Question # 16

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

Question # 17

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

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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 Pair production cannto take place in vacuum because :
A. Mass in not conserved
B. Momentum is not conserved
C. Energy is not conserved
D. Charge is not conserved
2 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
3 Albert Einstein got noble prize in:
A. 1926
B. 1921
C. 1918
D. 1931
4 When platinum is it becomes orange at.
A. 500oC
B. 900oC
C. 1100oC
D. 1300oC
5 Application of wave like nature of particle is
A. Photodiode
B. Optical microscope
C. Electron microscope
D. Compound microscope
6 The existence of positron in 1928 was predicted by
A. Anderson
B. Dirac
C. Chadwick
D. Plank
7 The number of electrons emitted depends upon
A. Colour of target surface
B. Shape of surface
C. Frequency of incident light
D. Intensity of incident light
8 When platinum is it becomes orange at
A. 500oC
B. 900oC
C. 1100oC
D. 1300oC
9 A perfect absorber must also be perfect
A. Cavity
B. Sources of radiation
C. Radiator
D. None of these
10 Number of electros emitted in photo electric effect depend upon.
A. Intensity of incident light
B. Frequency of incident light
C. Energy of incident light
D. Wavelength of incident of light

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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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