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The radius of curvature of a spherical mirror is 80cm. What is its focal length ?​

Answer»

tion:Given-Radius of curvature, R = 80 cmRadius of curvature of a SPHERICAL mirror= > 2 x focal length(f)=> R = 2F=> f = R/2=> f = 80/2=> f = 40cm.Hence, the focal length of the given spherical mirror is 40cm.



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