1.

Hindi: Please tell fast and follow and don't swamp.. ​

Answer»

EXPLANATION:

A doctor prescribes a connective lene of power + 0,25D to a person. The focal length of lens and the TYPE is A. +4M & CONVEX lens B. - 2m and convex lens C.+4m and concave lens D.- 4m and concave lens



Discussion

No Comment Found