Two identical light waves having phase difference ′ ϕ ′ propagate in same direction. When they superpose, the intensity of resultant wave is proportional to the intensity of resultant wave is proportional to Two identical light waves having phase difference ′ ϕ ′ propagate in same direction. When they superpose November 9, 2020 Category: Chapter 10 - Wave Optics , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related