Sound Test - 62...

Select the instrument that works on the principle of multiple reflection of sound.

A tuning fork is excited by striking it with a padded hammer. What would be the nature of the vibrations executed by the prongs as well as the stem of the fork respectively ? (The reference direction is that of the propagation of the sound wave.)

Change in temperature of the medium changes:

A chain of hydrogen bombs is being exploded every time in the sun due to the fusion process, yet you do not hear the sound, because.

SONAR emits which of the following waves?

A sound wave has a frequency of $$10$$kHz and wavelength $$3$$mm. How much time will it take to travel $$3$$ metre?

A sound wave is passing through air column in the form of compression and rarefaction. In consecutive compression and rarefaction:

An empty vessel produces louder sound than a filled one because.

The amplitude of vibratory motion is measured in units of 

If A is the amplitude of vibration, then the time taken by a wave to cover a distance of 4A is known as