Question

Hello!!Can anyone please explain me how to find nature of lens from "power"?​

Answer 1

Explanation:

if the power of lens is negative it must be here concave lens . if positive power then it mist be convex lens . I) if positive then convex mirror which means virtual and erect. 2)if negative then concave mirror which means real and inverted.f the power of lens is negative it must be here concave lens . if positive power then it mist be convex lens . I) if positive then convex mirror which means virtual and erect. 2)if negative then concave mirror which means real and inverted.

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