An object is placed at a distance of 20cm from a equi-concave lens of focal length 30cm, whose one surface is silvered. If the radius of curvature of the silvered surface is 60cm, find the position and nature of the image. An object is placed at a distance of 20cm from a equi-concave lens of focal length 30cm find the position and nature of the image. whose one surface is silvered. If the radius of curvature of the silvered surface is 60cm August 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related