Question

A person needs a lens of power -5.5 dioptres for correcting his distant vision for correcting his near vision he needs a lens of power + 1.5 dioptres the focal length of the lens required for correcting distant vision is

Answer 1

Answer:

if p= 1.5 D ad we need to find focal length

Explanation:

we know F= 100/ 1.5D = 66.6cm