Question

if the radius of the mirror is 52 then what is the focal length of the mirror

Answer 1

focal length of mirror is half of radius
so
f=1/2×r
52/2=26 is your focal length

Answer 2

hii....


Focal length is half of radius.


F = R/2


so, ur answer is __ 52 /2 = 26

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hope this helps !