The focal length of a convex lens is 25 cm. Express its power with sign.

Question

KnowledgeBoat · Accepted Answer

As we know, Given, focal length = 25 cm = 0.25m Substituting the value of focal length in formula we get, As the lens used is convex in nature so power is positive. Hence, P = +4D

Physics

The focal length of a convex lens is 25 cm. Express its power with sign.

Refraction Lens

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