First Year Physics Chapter 9 Online MCQ Test for 1st Year Physics Chapter 9 (Physical Optics)


This online test contains MCQs about following topics:

Wave Fronts - Huygen's principle - Interferance of Light Waves - Young's Double slit Experiment - Interference in Thin Films - Newton's Rings - Michelson's Interferometer - Diffraction of Light - Diffraction due to a Narrow slit - Diffraction Grating - Diffraction of X-Rays by Crystals - Polarization

FSC Part 1 Physics Ch. 9 Test

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Online MCQ`s Test For Chapter 9 "Physics Fsc Part 1 Chapter 9 Online Test"

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  • Total Questions17

  • Time Allowed20

Physics Fsc Part 1 Chapter 9 Online Test

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Question # 1

In blue light is used as compare to red light then fringe spacing.

Question # 2

Sodium chloride in a flame gives

Question # 3

Which of the following is evidence of wave nature of light

Question # 4

The blue colour of sky is due to

Question # 5

The centre of Newton's rings will be

Question # 6

The fringe spacing increases if we use.

Question # 7

Which phenomenon of light proves that light waves are transverse in nature.

Question # 8

Standard metal according to Michelson's interferometer is equivalent to

Question # 9

The fringe spacing in a double slit experiment can be increased by decreasing.

Question # 10

Dark fringes are also called as

Question # 11

Example of thin film is.

Question # 12

Newton's rings are formed due to phenomenon of.

Question # 13

The property of bending of light around obstacles is

Question # 14

Angle between ray of light and wave front is

Question # 15

If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.

Question # 16

Fringe spacing is inversely proportional to.

Question # 17

According to Hygen's principle, each point on a wave front acts as a source of.

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