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(C) 18 cmTo an eye placed at a depth h below the calm surface of refractive index Îź in a lake, the surfaceappears like a reflecting plane mirror with a circular hole of radius R through which objectssituated outside water can be seen. Then R is equal to(A) h(B) ěź(C) ph |
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Answer» i thik its b but try to solve Thaks |
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