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Question
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
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Solution
Radius of curvature = 2 x focal length
Or, R = 2f = 2 x 10 = 20 cm
Radius of curvature = 2 x focal length
Or, R = 2f = 2 x 10 = 20 cm
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