A pin is placed 10 cm in front of a convex lens of focal length 20 cm, made of a material having refractive index 1.5. The surface of the lens farther away from the pin is silvered A pin is placed 10 cm in front of a convex lens of focal length 20 cm made of a material having refractive index 1.5. The surface of the lens farther away from the pin is silvered October 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related