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


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Physics ICS Part 1 Chapter 8 Online Test

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Question # 1

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

Question # 2

Polarized sun glasses decrease glare on sunny day because they.

Question # 3

Optically acgive crystals are

Question # 4

The intensity of light when it passes through a polarizer.

Question # 5

The process of confining the beam of light to vibrate in one plane is called.

Question # 6

Light can be polarized by 

Question # 7

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

Question # 8

To distinguish between transverse and longitudinal wae............is used.

Question # 9

The mathematical representation of Malus's law is.

Question # 10

The unwanted light aht interferes with vision is termed as.

Question # 11

What are gravitational waves.

Question # 12

We van polarize the light by passing it through.

Question # 13

Malus's law states that

Question # 14

Longitudinal waves do not exhibit.

Question # 15

The phenomenon of polarization of light is

Question # 16

A polaroid is.

Question # 17

Who predicted the existence of gravitational waves.

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

Sr.# Question Answer
1

Optically acgive crystals are
A.

Quartz

B.

Sodium Chlorate

C.

Sodium Chlorade

D.

Botha a and b
2

What are gravitational waves.
A.

Electromagnetic waves

B.

Mechanical waves

C.

Ocean waves

D.

Ripple in the fabric of spacetime
3

Who predicted the existence of gravitational waves.
A.

Galileo Galilei

B.

Albert Einstein

C.

Issac Newton

D.

Leonardo da 1venci
4

Light can be polarized by 
A.

Selective absorption

B.

Reflection 

C.

Scattering

D.

All of these
5

Bending of light around the edges of an obstacle is called.
A.

Refraction 

B.

Polarization 

C.

Diffraction 

D.

Interference
6

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
7

Polarizatio of light shows taht light is
A.

Corpuscular in nature

B.

Of extremely shrot waves

C.

Longitudinal waves

D.

Transverse waves
8

An unpolarized beam of gtransverse wave is that whose vibrations.
A.

Are confined to a single plane

B.

Takes place in direction perpendicular to their direction of propogation

C.

Takes place in all direction 

D.

Take place i n directio parallel to the direction of propogation
9

Longitudinal waves do not exhibit.
A.

Polarization 

B.

Reflection 

C.

Diffraction 

D.

Refraction
10

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

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