Question

What do mean by the term intensity of sound? How does it determine loudness?

Answer 1

1. The intensity of the sound at a point is the amount of vibrational energy crossing per unit area per second from a given point.
2. Intensity is the quantitative measurement of the loudness of a sound wave.
3. The loudness of the sound is the degree of sensation of sound produced in the ears.
4. The unit of the loudness of sound is decibel and bel.