MHT CET 2024 Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET 2024

A convex lens of refractive index has a power 2.5. If it is placed in liquid of refractive index 2, the new power of the lens is

Answer: (D)

Solution

Lensmaker's formula: . In air , so , giving D. In the liquid , hence $P' =

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Question ID VK-093165