A person needs a lens of power -0.5dioptrefor correcting his distant 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 his
(i) distant vision, (ii) near vision
Answers
Answered by
13
(i) f = 1/P
= 1/-0.5
= -2 m
(ii) f = 1/1.5
= 0.67 m
= 1/-0.5
= -2 m
(ii) f = 1/1.5
= 0.67 m
Similar questions