First Year Physics Chapter 8 Online MCQ Test for 1st Year Physics Chapter 8 (Waves)


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MCQ's Test For Chapter 8 "Physics ICS Part 1 Chapter 8 Online Test"

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Physics ICS Part 1 Chapter 8 Online Test

00:00
Question # 1

Polarized sun glasses decrease glare on sunny day because they.

Question # 2

Optically acgive crystals are

Question # 3

An unpolarized beam of gtransverse wave is that whose vibrations.

Question # 4

Polarizatio of light shows taht light is

Question # 5

The phenomenon of polarization of light is

Question # 6

Malus's law states that

Question # 7

Who predicted the existence of gravitational waves.

Question # 8

The unwanted light aht interferes with vision is termed as.

Question # 9

The key purpose of an analyzer in a polarization experiment is.

Question # 10

We van polarize the light by passing it through.

Question # 11

Light can be polarized by 

Question # 12

Which is the primary method usedot detect gravitational waves.

Question # 13

The effect of increasing the angle between the light wave and the analyzer on the  intensity of light is.

Question # 14

Which of the following is a primary souce of gravitational waves.

Question # 15

The mathematical representation of Malus's law is.

Question # 16

What are gravitational waves.

Question # 17

The intensity of light when it passes through a polarizer.

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FSc Part 1 Physics (New Book) Chapter 8 Important MCQ's

Sr.# Question Answer
1

The phenomenon of polarization of light is
A.

The process of scattering of light

B.

The property of light to vibrate in a specific plane

C.

The ability of light to travel in a straight line

D.

The phenomenon of light chaning colour
2

Longitudinal waves do not exhibit.
A.

Polarization 

B.

Reflection 

C.

Diffraction 

D.

Refraction
3

The mathematical representation of Malus's law is.
A.

I =Io Cos 2 θ

B.

I = I o  Sin θ

C.

I = Io Tan2 θ

D.

I = Io Cot 2 θ
4

The key purpose of an analyzer in a polarization experiment is.
A.

To polarize the light

B.

To measure the intensity of light

C.

To change the direction oflight

D.

To filter out onwanted light
5

We van polarize the light by passing it through.
A.

Water

B.

Polaroid

C.

Glass

D.

Prism
6

The effect of increasing the angle between the light wave and the analyzer on the  intensity of light is.
A.

The intensity increases

B.

The intensity of decreases

C.

The intensity remains the same

D.

The intensity becomes zero
7

Malus's law states that
A.

The intensity of light is directly proportional to the square of the cosine of the angle between the light wave and the analyzer

B.

The intensity of light is directly proportional to the squae of the sine of the angle betwene the light wave and the analyzer

C.

The intensity of light is directly proportional to the angle between the light wave and the analyzer

D.

The intensity of light is invesely proportional to the angle between the light wave and the analyzer
8

What are gravitational waves.
A.

Electromagnetic waves

B.

Mechanical waves

C.

Ocean waves

D.

Ripple in the fabric of spacetime
9

Which of the following rays cannot be polarized.
A.

Sound Waves

B.

Light Waves

C.

X- Rays

D.

Infrated rays
10

Polarized sun glasses decrease glare on sunny day because they.
A.

Completely absorb the light 

B.

Have a special colour

C.

Refract the light

D.

Block a portion of light

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