Question

wt is sound and it's characteristics?

Answer 1

Hi friend,

Sound is a form of energy which is produced by vibrations.

For hearing a sound-:

<>A material medium is needed like air, water, solids, etc.

<>A receiver is needed like a human ear.

<>Sound SI unit is dB(decibels).

<>Depends on frequency.

<>Pitch, loudness.

Hope it helps..............

Answer 2

Sound is a form of energy which is produced due to vibration.
Charaterstics -
¤ It requires some medium to travel
¤ It is measured in Decibles(Db)
¤ If wavelength increases, then it will travel faster
¤ Pitch, loudness and tone
¤ Wavelength, amplitude and time period
¤ It depends on frequency

- Meww :)