1.

when an object is placed at a distance of 30cm in Infront of can cave lens, then size of the image formed is 2/3rd size of object, calculated total length of lens?​

Answer»

ong>Explanation:

An OBJECT is placed at 30cm from a convex lens and its REAL IMAGE is formed at 20CM away from the lens. Calculate the focal length of convex lens. ...



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