When an object is kept at distance 8 cm and 24 cm from a convex lens magnitude of magnification is same in both cases. Find focal length of the lens. (A) 8 cm (B) 16 cm (C) 32 cm (D) 64 cm
When an object is kept at distance 8 cm and 24 cm from a convex lens magnitude of magnification is same in both cases. Find focal length of the lens.
(A) 8 cm
(B) 16 cm
(C) 32 cm
(D) 64 cm