Sound Test - 20...

Time period of a sound wave having the wavelength 0.2 m and frequency 10 Hz will be

Sound waves travel fastest in.

The use of ultrasound waves to investigate the action of the heart is called.

A sound wave completes $$24$$ cycles in $$0.8\;s$$. The frequency of the wave is :

Light waves:

A tuning fork vibrates with 2 vibrations in 0.4 seconds. Its frequency (in Hz) is

A tuning fork vibrates with $$2$$ vibrations in $$0.4\ s$$. Its frequency is:

The _________ of sound depends on amplitude of vibration of the source.

A sound wave completes $$24$$ cycles in $$0.8\;s$$. The time period of the wave would be:

A faint (or soft) sound can be changed to a loud sound by increasing its :