Question

a) An object is placed 30 cm from a convex lens. The focal length
of the convex lens is 12 cm. Find the position of the image.

b) An object is placed 30 cm from a concave lens. The focal length
of the concave lens is 12 cm. Find the position of the image

Answer 1

Explanation:

Here, u stands for the position of the object, f stands for the focal length of lens & v stands for position of the image.

Answer 2

Explanation:

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