GP11F CONCAVE M
A lens has a power of + D. It isa)a concave lens of. Dec 21,2021 A lens has a power of + D. It isa)a concave lens of focal length 5 mb)a convex lens of focal length 5 cmc)a convex lens of focal length 2 md)a concave lens of focal length 2 mCorrect answer is option 'C'.