Wave Optics-Brewster's Law (NEET Physics): Questions 1 - 4 of 4

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Question number: 1

» Wave Optics » Brewster's Law

MCQ▾

Question

When light of a certain wavelength is incident on a plane surface of a material at a glancing angle 30°, the reflected light is found to be completely plane polarized. Determine refractive index of given material –

Choices

Choice (4) Response

a.

3

b.

2

c.

12

d.

2

Question number: 2

» Wave Optics » Brewster's Law

MCQ▾

Question

A light has amplitude A and angle between analyser and polariser is 60°. Light transmitted by analyser has amplitude

Choices

Choice (4) Response

a.

A2

b.

3A2

c.

A2

d.

A2

Question number: 3

» Wave Optics » Brewster's Law

MCQ▾

Question

Image of sun formed due to reflection at air water interface is found to be very highly polarized. Refractive index of water being μ=43 , find the angle of sun above the horizon.

Choices

Choice (4) Response

a.

16.9°

b.

46.9°

c.

26.9°

d.

36.9°

Question number: 4

» Wave Optics » Brewster's Law

MCQ▾

Question

A ray of light is incident on the surface of a glass plate at an angle of incidence equal to Brewster’s angle Φ. If μ represents the refractive index of glass with respect to air, then the angle between reflected and refracted rays is,

Choices

Choice (4) Response

a.

900sin1(μcosΦμ)

b.

900

c.

sin1(μcosΦ)

d.

900+Φ

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