Question

the radius of curvature of a spherical mirror is 30 cm . what is the focal length of the mirror ?​

Answer 1

Answer:

1 Answer. Focal length

 is half the radius of the mirror.

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Explanation:

So f=30/2=15cm

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.

• Explanation:

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Answer 2

Answer:

bhai tu lrka h be.......