Wave Optics-Malus' Law and Its Application (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 2 of 2

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Question number: 1

» Wave Optics » Malus' Law and Its Application

Appeared in Year: 2011

MCQ▾

Question

A plane polarized light passed through successive polarizers which are rotated by 300 with respect to each other in the clockwise direction. Neglecting absorption by the polarizers and given that the first polarizer’s axis is parallel to the plane of polarization of the incident light, the intensity of light at the exit of the fifth polarizer is closest to –

Choices

Choice (4) Response

a.

17.5 % of the incident light

b.

30 % of the incident light

c.

Zero

d.

Same as that of the incident light

Question number: 2

» Wave Optics » Malus' Law and Its Application

Appeared in Year: 2012

MCQ▾

Question

An unpolarized beam of light of intensity Ι0 passes through two linear polarizers making an angle of 300 with respect to each other. The emergent beam will have intensity.

Choices

Choice (4) Response

a.

I08

b.

3I04

c.

3I08

d.

3I04

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