If the refractive index from air to glass is \frac{3}{2} and that from air to water is \frac{4}{3} , then the ratio of focal lengths of a glass lens in water and in air is

KCET 2021 Physics Solved Paper

Question : 8 of 60

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If the refractive index from air to glass is

and that from air to water is

, then the ratio of focal lengths of a glass lens in water and in air is

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