The radius of curvature of a mirror is 30cm. find its focal length.
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Answer:
toes
Explanation:
toes
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Answer => f = 15 cm
Explanation: We have-
Radius of curvature,
R = 30 cm
Radius of curvature of a spherical mirror
= > 2 x focal length(f)
=> R = 2f
=> f = R/2
=> f = 30/2
=> f = 15 cm.
Hence, the focal length of the given spherical mirror is 15 cm
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