Sources 1 and 2 emit lights of different wavelengths whereas sources 3 and 4 emit light of different intensities. The coherence Sources 1 and 2 emit lights of different wavelengths whereas sources 3 and 4 emit light of different intensities. The coherence November 15, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 27 - Wave Optics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related