Physics, asked by pallavishendge6513, 1 year ago

A person needs a lens of power -5.5 dioptrrs for correcting his distant vison. For correcting his near vision,he needs a lens of power +1.5 dioptres. What is the focal length of the lens required for correcting distant vision?

Answers

Answered by bipin6145
1

Answer:

p=-5.5d, f= ?

p=1/f

5.5=1/f

f=1/-5.5

f=-0.18m

the negative sign indicates that the lens is concave.

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