NVAMediumJEE Main 2023 · 24 January, Shift 2Refraction & Lenses

Physics Question from JEE Main 2023 · 24 January, Shift 2

A convex lens of refractive index 1.51.5 and focal length 18cm18 \, \text{cm} in air is immersed in water. The change in focal length of the lens will be: (Given refractive index of water =43= \frac{4}{3})

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