A gas absorbs a photon of 35 nm and emits at two wavelengths . If one of the emission is at 680 nm , the other is at A gas absorbs a photon of 35 nm and emits at two wavelengths . If one of the emission is at 680 nm the other is at November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related