Question

Lens which is thin at the center and thick at edges is

• A. Convex lens
• B. Biconvex lens
• C. Both A and B
• D. Concave lens

Answer 1

The correct option is D Concave lens

$ConvexLens$ and $BiconvexLens$ is thick at the center and thin at the edges.
$ConcaveLens$ is thin at the center and thick at the edges.
Hence, the correct answer is OPTION D.