46 The sound of thunder is heard 7 sec after a flash of

Last updated: 6/11/2023

46 The sound of thunder is heard 7 sec after a flash of lightning If the speed of sound in air is 330m sec the lightning flash occured at a distance of A 231 Km B 23 1 Km C 2 31 Km D 231 Km Mass of an oxygen molecule is 16 times that of a hydrogen molecule The ratio of the total kinetic energy of the molecules of one mole of oxygen to that of one mole of hydrogen both kept at 100 C is A 16 1 B 4 1 C 1 1 D 1 4 47