Question

Mohan could see clearly up to a distance of
2mts , howewer, he wanted to see clearly up
to 10mts, what type of lens you would advise
him?
(a) Concave lens of power 0.4 dioptre
(b) Convex lens of power 0.4 dioptre
(c) Concave lens of power 0.6 dioptre
(d) Convex lens of power 0.6
dioptre​

Answer 1

Answer:

concave lens of power 0.6 dioptre