Calculate the number of photons emitted in 10 h by a 60 W sodium lamp (lemda = 6200 A). Calculate the number of photons emitted in 10 h by a 60 W sodium lamp (lemda = 6200 A). September 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related