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Question
Focal length of a mirror is given by ______.
Options
f = R2, R = radius of curvature
f = `"R"/4`, R = radius of curvature
f = R, R = radius of curvature
f = `"R"/2`, R = radius of curvature
MCQ
Fill in the Blanks
Solution
Focal length of a mirror is given by f = `underline("R"/2)`, R = radius of curvature.
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