An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from

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An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the mirror. The type of mirror needed with the focal length is

Options

(a) convex mirror with focal length f=40 cm
(b) convex mirror with focal length f=20 cm
(c) concave mirror with focal length f=-40 cm
(d) concave mirror with focal length f=-20 cm

Correct Answer:

convex mirror with focal length f=40 cm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Ray Optics (94)
Subject: Physics (2479)

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