Published by:
CGP EDU Academic Team
Published on: August 11, 2026
A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the lens is
Text Solution
Verified by ExpertsThe correct answer is:
NOT AVAILABLE
Given that,
Radii of curvature, Ri =R2 = 20 cm = 20 x 10 -2 m
Refractive index, 
= 1.5
Now, as we know power of lens is given by
f=20cm
=5D
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