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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A particle executes linear S. H. M. along the principal axis of a convex lens of focal length 8 cm. The mean position of oscillation is at 14 cm from the lens with amplitude 1 cm. The amplitude of oscillating image of the particle is nearly [MHT-CET 2021]

Answer: (C)

Solution

For small displacements the longitudinal magnification is ; with cm, cm:

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Question ID VK-068490