Question

Shreyas uses the spectacles of power +1.5D what will be the focal length of the lens used and which type of lens is used.

Answer 1

hiii ।,

Explanation:

given ,

p-+1.5D

f-?

as we know that

p=100/f

+1.5=100/f

f=100/1.5

f=0.015 cm

the type of lens is convex