Question

The power of a lens is -4.0 D. What is the nature of this lens?​

Answer 1

Answer:

Concave Lens. Explanation: The power of a lens is defined as the reciprocal of its focal length in meters, or D = 1/f, where D is the power in diopters and f is the focal length in meters.

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Answer 2

Answer:

It is a concave lens.

Explanation:

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