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The radius of curvature ofa spherical mirror is 20 cm. What is its focal length? |
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Answer» SOLUTION :Radius of curvature `R=20` CM Radius of curvature of a SPHERICAL MIRROR `=2xx` focal length (f) `R=2f` `f=R/2=20/2=10cm` Hence the focal length of the given spherical mirror is 10 cm. |
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