Choose the correct answer. Sound can travel through:

We can distinguish between the musical sounds produced by different singers on the basis of the characteristic of sound called :

Eardrum is a part of:

The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 900 km/h, 0 km/h, and 1200 km/h respectively. Which medium could be a liquid substance?

The pitch of sound depends on:

Large amplitude of sound vibrations will produce:

The frequencies of four sound waves are given below. Which of these sound waves can be used to measure the depth of sea?

Voice of which of following is likely to have minimum frequency?

A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case:

One of the following can hear infrasound. Which one?