Find the angle of refraction in a medium (mu = 2) if light is incident in vacuum, making an angle equal to twice the critical angle. Find the angle of refraction in a medium (mu = 2) if light is incident in vacuum making an angle equal to twice the critical angle. September 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related