A coin lies under a layer of glycerine of refractive index

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A coin lies under a layer of glycerine of refractive index 1.51.5. It appears to be 1.5 cm1.5\,\text{cm} below the liquid surface when viewed vertically from above. What is the actual depth of the coin? (a) 1.50 cm1.50\,\text{cm} (b) 2.50 cm2.50\,\text{cm} (c) 2.25 cm2.25\,\text{cm} (d) 1.00 cm1.00\,\text{cm}

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