Psychology, asked by manansrivastava13aug, 5 months ago

A concave mirror is a part of a sphere of radius 30 cm.It’s focal length is *

Answers

Answered by aisharai478

Focal length is half the radius of the mirror.

Explanation:

So f=30/2=15cm

Explanation

With a spherical mirror this is not the focal length, as rays do not converge in one point, depending on their distance from the optical axis. But for small mirrors this will do.

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