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PhysicsGeometrical OpticsRefraction at curved surface/LensMedium2 minPYQ_2025
PhysicsMediumsingle choice

A convex lens made of glass (refractive index ) has focal length 24 cm in air. When it is totally immersed in water (refractive index ), its focal length changes to

Options:

Answer:
B
Solution:

(i) divided by (ii)

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Refraction at curved surface/Lens
2mℹ️ Source: PYQ_2025

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