An object of height 2 cm is kept in front of a convex lens. The height of the image formed on a screen is 6 cm. If so the magnification is:A-3B-3cmC-1/3D-1/3cmAnswer: A. -3 Read Explanation: Height of the object (ho) = 2 cmHeight of the image (hi) = 6 cmM=hi/h0M=6cm/2cm=3 Read more in App