A convex lens of refractive... | JEE Main 2023

JEE MAIN_2023

S2_24.01.23

Question

A convex lens of refractive index 1.5 and focal length 18 cm in air is immersed in water. The change in focal length of the lens will be _____ cm. (Given refractive index of water = 4/3 )

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JEE Main

Physics

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