Question

a person needs a lens of power -5.5 dioptre for correcting his distinct vision.For correcting his near vision he needs a lens of power +1.5dioptre.What is the focal length of the lens required for correcting i)distant vision,and ii)near vision????​

Answer 1

Answer:

For distant vision 18.18 (approx). and for near vision 66.6 (approx)

Answer 2

Answer:

here it is..

for distant vision 18.18( approx)

for nearer vision 66.6 ( approx).

~Thank my answer please