Question

A convex lens of focal length 0.10 m is used to form a magnified image of
an object of height 5 mm placed at a distance of 0.08 m from the lens. Find
the position, nature and size of the image.

Answer 1

Explanation:

f = 0.10 m h1 = 5 mm = 0.005 m u = - 0.08 m Lens formula : 1/v - 1/u = 1/f Image is formed 0.40 m in front of the convex lens. Size of image is 25 mm. Image is virtual and erect.

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