The power of a lens is -2.0 D. Find its focal length and its kind.

Question

KnowledgeBoat · Accepted Answer

As we know, Given, Power of the lens = -2.0 D As the given power is negative hence, we can say that the lens used is concave in nature. Substituting the value of power in formula we get, Therefore, the focal length is 50 cm and the lens used is concave in nature.

Physics

The power of a lens is -2.0 D. Find its focal length and its kind.

Refraction Lens

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