Question

What is frequency? How is it represented? Write its S

Answer 1

Answer:

the number of time something happens in a particular period is known as frequency

Explanation:

si unit if frequency is hertz

Answer 2

Frequency is the total number of times an event occurs per unit of time. It is the total time the number of waves passes through a fixed place. For example, beating of the heart.  

The SI unit denoted for frequency is the Hertz (Hz). It is derived from the name of the German physicist Heinrich Rudolf Hertz.

The frequency is represented through the symbols, Latin letter f or the Greek letter ν (nu).