Question

a person needs a lens of -0.5 dioptre for correnting his distant vision . for correcting his near visison he needs a lens of power 1.5 dioptre what is the focal length of the lens required for correcting his distant vision. find the docal lenth in both the cases​

Answer 1

power=1/focal length

-0.5=1/f

f=-2m

1.5=1/f

f=2/3m

Answer 2

Answer:

Answer:Hey mate here is ur ans. ⤵⤵

P = - 0.5

f. = -2

P = 1 / f

1.5 = 1/ f

f= 2/3

I hope it helps u

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