Which of the following sequence is correct regarding velocity of sound?
1
Velocity of sound in air > Velocity of sound in water > Velocity of sound in metal
2
Velocity of sound in air = Velocity of sound in water > Velocity of sound in metal
3
Velocity of sound in air < Velocity of sound in water < Velocity of sound in metal
4
Velocity of sound in air > Velocity of sound in metal > Velocity of sound in water