Question

Which of the pictures below shows a concave lens?Select one:a. Ab. Bc. Cd. D

Answer 1

(D)

Step-by-step explanation

A concave lens is thinner in the middle than it is at the edges. This causes parallel rays to diverge

now, in the options we have

A plano concave lens is an optical lens with one concave surface and one flat surface. It has a negative focal length,

so, the answer is

(D)

I hope this helps you