What is the energy content per photon (J) for light of frequency 4.2×10^14 Hz? What is the energy content per photon (J) for light of frequency 4.2×10^14 Hz? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry , Facebook Messenger WhatsApp Share this:TwitterFacebook Related