formula of the power of a lens is 2.5D.what is the focal length and type of lens
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Hi friend,
Here is your answer ,
Power = 2.5D
Power = 1/ focal length
25/10 = 1/f
f = 10/25
f = 2/5
f = 0.4 m
= 40 cm
Since the focal length is positive so the lens is convex lens .
HOPE THIS HELPS YOU !!
PLS MARK ME AS BRAINLIEST !!
Here is your answer ,
Power = 2.5D
Power = 1/ focal length
25/10 = 1/f
f = 10/25
f = 2/5
f = 0.4 m
= 40 cm
Since the focal length is positive so the lens is convex lens .
HOPE THIS HELPS YOU !!
PLS MARK ME AS BRAINLIEST !!
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