If a source of power 4 KW produces 10^20 photons per second, the radiation belongs to a part of the spectrum called If a source of power 4 KW produces 10^20 photons per second the radiation belongs to a part of the spectrum called October 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related