A planoconvex lens has a maximum thickness of
. When placed on a horizontal table with the curved surface in contact with the table surface, the apparent depth of the bottommost point of the lens is found to be
. If the lens is inverted such that the plane face of the lens is in contact with the surface of the table, the apparent depth of the center of the plane face is found to be
. The radius of curvature of the lens is
Text Solution
Verified by ExpertsD
: In case of refraction from a curved surface

When curved surface is in contact with the table refraction will take place at plane surface.

Here, 

or 
And when plane surface is on the table, refraction will take place at curved surface.

Here 

Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems