Question

18. A person needs a lens of power-4.5 D for correction of her vision.
(a) What kind of defect in vision is she suffering from?
(b) What is the focal length of the corrective l'ens? -
(c) What is the nature of the corrective lens?


Please answer it step wise​

Answer 1

Answer:

i)Myopia

iii)convex lens

Answer 2

Answer:

he is having color blindnesssssssssssss