11th class Physics chapter 8 online mcq test with answers for ICS part 1 Physics chapter 8(Waves)

Question # 1

Light can be polarized by

Selective absorption
A
Reflection
B
Scattering
C
All of these
D

Question # 2

Optically acgive crystals are

Quartz
A
Sodium Chlorate
B
Sodium Chlorade
C
Botha a and b
D

Question # 3

Who predicted the existence of gravitational waves.

Galileo Galilei
A
Albert Einstein
B
Issac Newton
C
Leonardo da 1venci
D

Question # 4

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

To polarize the light
A
To measure the intensity of light
B
To change the direction oflight
C
To filter out onwanted light
D

Question # 5

What are gravitational waves.

Electromagnetic waves
A
Mechanical waves
B
Ocean waves
C
Ripple in the fabric of spacetime
D

Question # 6

Which is the primary method usedot detect gravitational waves.

Optical telescopes
A
Radio telescopes
B
LASER interferometry
C
Gravitational lensing
D

Question # 7

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

Interference
A
Diffraction
B
Polarizaion
C
Total internet refelection
D

Question # 8

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

Refraction
A
Polarization
B
Diffraction
C
Interference
D

Question # 9

The condition of maximum intensity of light in a polarization experimentis when.

The light wave and analyzer are perpendicular
A
The ligh wave and analyzer are parallel
B
The ligh wave and analyzer are at an angle of 45^o
C
The light wave and analyzer are at an angle of 60 ^o
D

Question # 10

The mathematical representation of Malus's law is.

I =I_o Cos 2 θ
A
I = I _oSin θ
B
I = I_oTan2 θ
C
I = I_o Cot 2 θ
D

Question # 11

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

The intensity increases
A
The intensity of decreases
B
The intensity remains the same
C
The intensity becomes zero
D

Question # 12

Polarized sun glasses decrease glare on sunny day because they.

Completely absorb the light
A
Have a special colour
B
Refract the light
C
Block a portion of light
D

Question # 13

A polaroid is.

A device used in polarimeter
A
A light filter
B
A device used to analyze polarized light
C
All of these
D

Question # 14

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

Binary blck hole merger
A
Soalr flares
B
Earth quack
C
Solar wind
D

Question # 15

An unpolarized beam of gtransverse wave is that whose vibrations.

Are confined to a single plane
A
Takes place in direction perpendicular to their direction of propogation
B
Takes place in all direction
C
Take place i n directio parallel to the direction of propogation
D

Question # 16

Polarizatio of light shows taht light is

Corpuscular in nature
A
Of extremely shrot waves
B
Longitudinal waves
C
Transverse waves
D

Question # 17

The phenomenon of polarization of light is

The process of scattering of light
A
The property of light to vibrate in a specific plane
B
The ability of light to travel in a straight line
C
The phenomenon of light chaning colour
D

Sr.#	Question	Answer
1	The mathematical representation of Malus's law is.	A. I =I_o Cos 2 θ B. I = I _oSin θ C. I = I_oTan2 θ D. I = I_o Cot 2 θ
2	Bending of light around the edges of an obstacle is called.	A. Refraction B. Polarization C. Diffraction D. Interference
3	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
4	Which is the primary method usedot detect gravitational waves.	A. Optical telescopes B. Radio telescopes C. LASER interferometry D. Gravitational lensing
5	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
6	Light can be polarized by	A. Selective absorption B. Reflection C. Scattering D. All of these
7	The condition of maximum intensity of light in a polarization experimentis when.	A. The light wave and analyzer are perpendicular B. The ligh wave and analyzer are parallel C. The ligh wave and analyzer are at an angle of 45^o D. The light wave and analyzer are at an angle of 60 ^o
8	The unwanted light aht interferes with vision is termed as.	A. Haze B. glare C. cONTRAST D. Flare
9	What are gravitational waves.	A. Electromagnetic waves B. Mechanical waves C. Ocean waves D. Ripple in the fabric of spacetime
10	Who predicted the existence of gravitational waves.	A. Galileo Galilei B. Albert Einstein C. Issac Newton D. Leonardo da 1venci

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Light can be polarized by

Optically acgive crystals are

Who predicted the existence of gravitational waves.

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

What are gravitational waves.

Which is the primary method usedot detect gravitational waves.

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

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

The condition of maximum intensity of light in a polarization experimentis when.

The mathematical representation of Malus's law is.

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

Polarized sun glasses decrease glare on sunny day because they.

A polaroid is.

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

An unpolarized beam of gtransverse wave is that whose vibrations.

Polarizatio of light shows taht light is

The phenomenon of polarization of light is

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