Two converging lenses of focal lengths f1 = 10 cm and f2 = 20 cm are placed at some separation. A parallel beam of light is incident on first lens. Then, Two converging lenses of focal lengths f1 = 10 cm and f2 = 20 cm are placed at some separation. A parallel beam of light is incident on first lens. Then October 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related