Question

if the power of a lens is negative, what does it signifies?​

Answer 1

Answer:

If power of a lens is negative this means focal length of that lens is negative and we have a diverging lens.

Answer 2

Explanation:

Power is 100cm. divided by focal length in centimeters. Focal length of a converging i.e. convex lens is considered positive and focal length of a diverging lens i.e. concave lens is negative. ... Hence, if power is negative this means focal length is negative and we have a diverging lens.

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