In the case of light waves from two coherent sources S1 and S2, there will be constructive interference at an arbitrary point P, the path difference S1P−S2P is In the case of light waves from two coherent sources S1 and S2 the path difference S1P−S2P is there will be constructive interference at an arbitrary point P November 9, 2020 Category: Chapter 10 - Wave Optics , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related