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An equiconvex lens has its two surfaces ...

An equiconvex lens has its two surfaces of radius of curvature `R = 10 cm`. Thickness of the lens at its centre is 2 cm. A light ray is incident making an angle of `2°` with the optic axis of the lens. Find the angle that the emergent ray will make with the optic axis. The refractive index of all media is as marked in the Figure.

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The correct Answer is:
`((8)/(15))^(@)`
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