A plano convex lens is made of glass of ...

A plano convex lens is made of glass of refractive index 1.5. The radius of curvature of its convex surface is R. Its focal length is

R/2

1.5R

Text Solution

Verified by Experts

The correct Answer is:

(c ) Focal length of plano- convex lens,
`f=R/(µ-1)=R/((15-1))=2R`

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