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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

Two identical equi-convex glass lenses () each of focal length 'f' are in contact. The space between the two lenses is filled with water (). The focal length of the combination is [MHT-CET 2021]

Answer: (B)

Solution

For each glass lens so ; the water between them forms a concave lens with

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Question ID VK-069483