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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A biconvex lens ( cm) has focal length equal to focal length of concave mirror. The radius of curvature of concave mirror is R. R. I. of glass lens = 1.5. [MHT-CET 2022]

Answer: (D)

Solution

For the lens gives cm; a concave mirror with this focal length has cm in magnitude and, by

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Question ID VK-069472