Time taken by sunlight to pass through a window of thickness 4mm whose refractive index is 32, is is Time taken by sunlight to pass through a window of thickness 4mm whose refractive index is 32 August 12, 2020 Category: Chapter 32 - Ray Optics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related