A parallel ray incident on the concave mirror is converged at 10cm from the mirror, then the radius of curvature of the concave mirror is ?
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Answer:
radius of curvature = 20
Explanation:
As parallel incident Ray passes through focus after reflection (in concave mirror)
=> given that ray converges at 10 cm i.e. focal length, f = 10 cm
and radius of curvature = 2f.
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