The intensity of … is measured in decibel.

Length of vocal cords in man is nearly … mm.

Length of vocal cords in women is … mm.

The smallest audible sound is … dB.

The sounds which are pleasant to hear and are in order are called …

Sounds which are irregular and unpleasant to hear are called …

The sounds that normal human being can listen are called … sounds.

The sound produced in our normal conversation is about … dB.

Jalatarang works with the difference in

Sound will produce, when a body

Vocal cords are present in

Number of vocal cords present in our throat is

Sound can travel in

Loudness and feebleness of sounds depends upon

Vibrate a bell and touch it. You may feel