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प्रश्न
Find the nature and focal length of a spherical mirror whose radius of curvature is +24 cm.
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उत्तर
The radius of curvature of the given is, R = +24 cm
So, its focal length,` f = R/2 = 24/2 = +12 cm`
Therefore, the focal length of the mirror is 12 cm.
Since the focal length of the given mirror is positive, the mirror is the convex mirror.
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