Question

A convex lens of focal length 16cm forms a real image double the size of the object. The distance of the

object from the lens is
Answer should be 24cm
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Answer 1

Explanation:

The lens forms a real image double the size of the object, the magnification of the lens is 2. To find, The object distance. So, the object is placed at a distance of 8 cm from the lens.

Answer 2

Answer:

The lens forms a real image double the size of the object, the magnification of the lens is 2. To find, The object distance. So, the object is placed at a distance of 8 cm from the lens.