When an aeroplane attains a speed higher than the velocity of sound in air, a loud bang is heard. This is because

The velocity of sound in solid is …………… than the velocity of sound in air.

A body travelling with a speed of more than the velocity of sound in air is said to travel with

Why the velocity of sound is greater in moist air than dry air?

An aeroplane travelling at the speed of sound will have a velocity of

The source of sound generating a frequency of 3 kH z reaches an observer with a speed of 0.5 times the velocity of sound in air. The frequency heard by the observer is