At two points P and Q on a screen in Young’s double slit experiment, waves from slits S1 and S2 have a path difference of 0 and λ/4 respectively. The ratio of intensities at P and Q will be : At two points P and Q on a screen in Young's double slit experiment waves from slits S1 and S2 have a path difference of 0 and λ/4 respectively. The ratio of intensities at P and Q will be : November 18, 2020 Category: Chapter 16 - Optics , JEE Mains Physics 2002-2019 Solved Video Solutions , Facebook Messenger WhatsApp Share this:TwitterFacebook Related