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Optics

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7 Feb 2012 14:39:59 IST

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optics

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What is the critical angle, C for calcite (=1.5) immersed in oil (=1.1)?

(1) C= tan ^-1 (1.1 /1.5)

(2) C = cos ^-1 (1.1 /1.5)

(3) C= sin^-1 (1.5 /1.1)

(4) C= sin ^-1 (1.1/ 1.5)

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shivansh shrivastava

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7 Feb 2012 22:14:16 IST

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