KnowledgeBoat Logo

Physics

The focal length of a lens is (i) positive, (ii) negative. In each case, state the kind of lens.

Refraction Lens

25 Likes

Answer

(i) When the focal length of a lens is positive, then the lens is a convex lens.

(ii) When the focal length of a lens is negative, then the lens is a concave lens.

Answered By

16 Likes


Related Questions