Question

A plane wave front is incident on a thin prism, thin convex lens and a concave mirror separately. The wave front(s) emerging out from the

• A. concave mirror is plane
• B. thin prism is spherical
• C. convex lens and concave mirror are plane
• D. convex lens and prism are plane
• E. convex lens and concave mirror are spherical

Answer 1

Answer: (E)

Correct answer is (e) convex lens and concave mirror are spherical