1.

An object approaches a convergent lens from the left of the lens with a uniform speed 5 m/s and stops at the focus. The image

Answer»

MOVES AWAY from the lens with an uniform SPEED 5 m`//`s.
moves away from the lens with an uniform acclcration.
moves away from the lens with a non uniform acceleration,
moves towards the lens with a non-uniform acceleration.

Solution :When any OBJECT moves towards convergin lens (convex lens or positive lens) with constant speed, its image will move away froi the lens with non-uniform acceleration becaus for a lens, relation between object distance an image distance is not linear.


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