Science, asked by subhashgurjar87, 4 months ago

find the focal length of a lens of power-2.0D.what type of lens is this

Answers

Answered by harikrishnan723988

3

Explanation:

Since the focal length is negative, the lens is a concave lens

Answered by keshav2112004

3

Answer:

concave

Explanation:

if dioptre is negative then lens is concave

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