Question

the power of lens is -2D .is the lens convex or concave?​

Answer 1

Answer:

Explanation:

If the power of the lens is -2D then the lens is concave...

Hope it helps :)

Answer 2

$\huge\tt\colorbox{plum}{Answer}$

If the power of lens is - 2D then lens

concave.

Because the power of lens is negative then it will be concave lens.