A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it

PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of a convex lens, if the image is equal to the size of the object? Also, find the power of the lens.

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