Sonic boom is produced when a source of sound travels at a speed :

A sound wave travelling at a speed of 330 m/s produces 20 crests and 20 troughs in 0.1 second. The wavelength (λ) of the sound wave is:

An echo is heard after 5 seconds of the production of sound which moves with a speed of 340 m/s. What is the distance of the mountain from the source of sound which produced the echo?

What is the phenomenon where sound waves bounce off a surface called?

In which medium, the speed of sound is maximum?

Which one among the following is true for the speed of sound in a given medium?