Question

The sound of explosion on the surface of a lake is heard by a boatman 100m away and by a diver 100 m below the point of explosion .Of the two persons who would hear the sound first? Give reason for your answer.

Answer 1

The diver would hear the sound first because the sound travels faster in water than in air

speed of sound in air = 344 m/s
speed of sound in water = 1533 m/s