Physics, asked by divyacharvi, 7 months ago

the power of a lens is +2.0D. find its focal length & state the kind of lens

Answers

Answered by Bookworm786

1

Answer:

Focal length of lens = 0.5 m

Kind of lens = Convex lens

Explanation:

Power = +2.0 D

Power = 1 / f (m)

2. = 1 / f (m)

f. = 1/2

f. = + 0.5 m

The focal length of a convex lens is positive

It is use to correct hypermetropia

Therefore, type of lens = Convex lens

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