18 What is the shape of the emergent wavefront when a plane wavefront is incident on: (a) a prism and
(b) a convex lens?
Answers
Answered by
1
Answer:
Explanation:Thus, the emerging wavefront is spherical wavefront. The lower half of the wave that first reaches the glass when the wave enters the prism, and so this portion of the wave is slowed first.
Similar questions