A diver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his waterproof torch. He should direct the beam A diver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his waterproof torch. He should direct the beam November 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Refraction of Light by Plane Surfaces , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
