what is the relation between the focal length and radius of curvature in the case of a concave mirror?
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Answered by
3
focal length = radius of curvature
---------------------------- ; f= R
2 ------
2
---------------------------- ; f= R
2 ------
2
Answered by
2
we know ,
mirror formula ,
1/v + 1/u = 1/f
we also know radius ot curvature =2 x focal length
let R is the radius of curvature then
f =R/2
use this in mirror formula ,
1/v + 1/u = 2/R
mirror formula ,
1/v + 1/u = 1/f
we also know radius ot curvature =2 x focal length
let R is the radius of curvature then
f =R/2
use this in mirror formula ,
1/v + 1/u = 2/R
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