3 A small electric lamp is placed at a depth of 46 cm inside

Last updated: 6/13/2023

3 A small electric lamp is placed at a depth of 46 cm inside a tank full of water i Calculate the area on the surface of water through which light will be emitted ii What is the maximum distance an emergent ray will travel before emerging from the surface of water of water 1 3 sin 50 3 0 7694 and tan 50 3 1 205 i 27786 4 cm ii 122 3 cm 1