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(a) What is linearly polarized light ? Describe briefly using a diagram how sunlight is polarised. (b) Unpolarised light is incident on a polaroid. How would the intensity of transmitted light change when the polaroid is rotated?

Unpolarised light passes through a polariser and analyser which are at an angle of 45∘ with respect to each other. The intensity of polarised light coming fromanalyse is 5W/m2 . The intensity of unpolarised light incident on polariset is

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A polarised light intensity I0 is passed through another polariser whose pass axis makes an angle of 60∘ with the pass axis of the former, What is the intensity of emergent polarised light from second polarised?

A polariser and an analyser are oriented so that maximum light is transmitted what will be the intensity of outcoming light when analyer is rotated through 60∘.

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A polariser and an analyser are oriented so that maximum light is transmitted what will be the intensity of outcoming light when analyer is rotated through 60∘.

Unpolarized light of intensity I is incident on a system of two polarizers, A followed by B. The intensity of emergent light is I2. If a third polarizer C is placed between A and B, the intensity of emergent light is reduced to I3. The angle between the polarizers A and C is θ. Then :

(a) What is linearly polarised light ? Describe briefly using a diagram how sunlight is polarised (b) Unpolarised light is incident on a polaroid. How would the intensity of transmitted light change when the polaroid is rotated ?

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