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<div><span style="color: #ff0000;"><strong>An unpolarised light is successively passed through two polaroids .Their transmission axis make 60 degree with each other. If intensity of unpolarised light be I ,then intensity after second polariser is&nbsp;</strong></span></div> <div><span style="color: #ff0000;"><strong>1) I/2</strong></span></div> <div><span style="color: #ff0000;"><strong>2) I/4</strong></span></div> <div><span style="color: #ff0000;"><strong>3) I/ 8</strong></span></div> <div><span style="color: #ff0000;"><strong>4) I/3</strong></span></div> <div><span style="color: #ff0000;"><strong>Please explain in detail.</strong></span></div> <div><span style="color: #ff0000;"><strong><br /></strong></span></div> <div><span style="color: #ff0000;"><strong><br /></strong></span></div>
Asked by Kb Aulakh | 25 Apr, 2015, 06:18: PM
Let the intensity of the incident unpolarised light be I

Therefore the  intensity after second polariser is I/8
Correct option is 3) I /8
Answered by Jyothi Nair | 27 Apr, 2015, 09:43: AM

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