Polarization (Plane-Polarized Light: Brewster's Law, Uses of Plane-Polarized Light and Polaroid) NEET Questions

Physics - Optics

Polarization (Plane-Polarized Light: Brewster's Law, Uses of Plane-Polarized Light and Polaroid) MCQ Questions


13.
Which of the following waves can undergo polarization?
A.
Sound waves
B.
Water waves
C.
Radio waves
D.
Gamma rays
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ANSWER :
B. Water waves
14.
At Brewster’s angle, the reflected and refracted rays are:

NEET - 2017

A.
Parallel
B.
Perpendicular
C.
At 45° to each other
D.
At 60° to each other
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ANSWER :
B. Perpendicular
15.
At Brewster’s angle, which component of light is reflected?
A.
Parallel component
B.
Perpendicular component
C.
Both components
D.
None
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ANSWER :
A. Parallel component
16.
Which phenomenon leads to glare reduction using Polaroid lenses?
A.
Total internal reflection
B.
Diffraction
C.
Refraction at an interface
D.
Polarization by reflection
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ANSWER :
D. Polarization by reflection
17.
How does a Polaroid reduce light intensity?
A.
Absorbs all light
B.
Allows only horizontal waves
C.
Selectively blocks certain vibrations
D.
Does not affect light
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ANSWER :
C. Selectively blocks certain vibrations
18.
Which of the following devices is used to produce plane-polarized light?

NEET - 2018

A.
Glass slab
B.
Polaroid
C.
Lens
D.
Prism
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ANSWER :
B. Polaroid