formula of focal length
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Explanation:
f=-R/2
f = focal length
f = focal length{R} = radius of curvature of the mirror's surface
According to our science textbook focal length(f) of a mirror/ lens is equal to half its radius of curvature(R). Which means that there is a specific focal length for a given lens/mirror(f=R/2)
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Answer:
F = -R/2
Formula of focal length.
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