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Coherentlight

According to particle theory of light what is the velocity of light in a dense medium, compared to that in rare medium ?

(a) Distinguish between unpolarized light and linearly polarized light. How does one get linearly polarised light with the help of a plaroid ? (b) A narrow beam of unpolarised light of intensity I0 is incident on a polaroid P1. The light transmitted by it is then incident on a second polaroid P2 with its pass axis making angle of 60â relative to the pass axis of P1. Find the intensity of the light transmitted by P2.

Polarization oflight

Unpolarized light passes through a polarizer and analyser which are at an angle of 45â with respect to each other. The intensity of polarized light coming from analyser is 5W/m2. Find the intensity of unpolarized light incident on polarizer.

The axes of the polarizer and analyser are inclined to each other at 60^@ . If the amplitude of polarized light emergent through analyser A. Find the amplitude of unpolarized light incident on polarizer.

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Elliptical polarization

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A plane mirror is a thin, flat piece of glass that is lined with a highly reflective metallic coating on one side of the mirror.

Photon polarization

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When an unpolarized light of intensity I0 is incident on a polarizing sheet, the intensity of the light which does not get transmitted is

Circularlypolarized light

When an unpolarized light of intensity I0 is incident on a polarizing sheet, the intensity of the light which dows not get transmitted is

P-polarizedlight

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Unpolarized light

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Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of (a) reflected, and (b) refracted light? Refractive index of water is 1.33.