Sound Test - 48...

The characteristic of sound which distinguishes a feeble sound from a loud sound of the same frequency is -

The instrument used in the laboratory to produce sound of a fixed frequency is -

Select the odd one out (loudness, pitch, frequency, echo)

Find the odd one out.

Submarine uses ............................ for navigation which works on principle of ..........................

The two arms in the U shaped section of tuning fork are called :

Why the ceiling of concert halls, cinema halls made curved?

What conclusion can be obtained from the observation that when the prongs of a sound making tuning fork touch the surface of water in a beaker, the water gets splashed?

Name the device which is used to produce sound in laboratory experiments :

Fix up one end of a slinky to a hook and hold it horizontally. Vibrate the other end to and fro along the length of the spring. If you look at the spring carefully, you will see some parts of the spring are pushed closer, while some other parts are pulled apart.