Question

What is hertz?Where do we use it?

Answer 1

Answer:

Hertz is the SI unit of frequency,equal to one cycle per second.

Explanation:

the term Hertz is most frequently used in connection with alternating current, electromagnetic waves( radar,light ) and sound

Answer 2

Explanation:. Hertz is the SI unit of frequency.

If a pendulum completes 1 oscillation in 1 second , then the frequency is known as 1 Hz. (Hertz - Hz)

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We use it while studying Motion of Waves , Electromagnetic radiation , Sound and particularly in FREQUENCY