Question

Light rays parallel to the principal axis, after reflection by a concave mirror, get converged at a point, which is at a distance of 11cm from the pole of the mirror.Calculate its focal length and radius of curvature.​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

focal length=11cm

radius of curvature=22cm

Explanation:

when light rays are parallel to principal axis they converg at principal focus