A lens, which is thicker at the center and thinner at the edges, is called?
A. Concave lens
B. Convex lens
C. Plano convex lens
D. Plano concave lens
Answer:B
A lens, which is thicker at the center and thinner at the edges, is called?
A. Concave lens B. Convex lens C. Plano convex lens D. Plano concave lens