Question

Which one of the following statement about sound is not correct

(a) Sound travels at a speed slower than the speed of light.

(b) Sound waves are transverse waves.

(c) Sound waves are longitudinal waves.

(d) Sound travels faster in moist air than in dry air.

Answer 1

(b) Sound waves are transverse waves.

As sound waves are longitude waves, the air particles vibrate to and fro in the direction of propagation of sound.