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


1.
Which phenomenon proves that light is a transverse wave?
A.
Interference
B.
Polarization
C.
Diffraction
D.
Refraction
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ANSWER :
B. Polarization
2.
Which of the following can produce plane-polarized light?
A.
Glass slab
B.
Polaroid
C.
Spherical mirror
D.
Concave lens
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ANSWER :
B. Polaroid
3.
Which of the following angles is related to Brewster's law?
A.
Critical angle
B.
Brewster's angle
C.
Angle of incidence
D.
Total internal reflection angle
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ANSWER :
B. Brewster's angle
4.
Which of the following statements about plane-polarized light is correct?

NEET - 2020

A.
It has vibrations in all directions
B.
It has vibrations in only one plane
C.
It cannot be obtained by reflection
D.
It does not obey Brewster’s law
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ANSWER :
B. It has vibrations in only one plane
5.
In which of the following cases is light not polarized?
A.
Reflection from a glass surface
B.
Scattering in the atmosphere
C.
Light through a Polaroid
D.
Refraction through a prism
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ANSWER :
D. Refraction through a prism
6.
What is the main principle behind Polaroid sunglasses?
A.
Selective absorption
B.
Blocking horizontal light
C.
Enhancing vertical light
D.
Increasing intensity
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ANSWER :
B. Blocking horizontal light