Question

Frequency definition class 9 sub science​

Answer 1

Explanation:

1.

the rate at which something occurs over a particular period of time or in a given sample.

"an increase in the frequency of accidents due to increased overtime"

2.

the rate per second of a vibration constituting a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light).

"different thicknesses of glass will absorb different frequencies of sound"

Answer 2

Answer:

Frequency is the number of occurrences of a repeating event per unit of time.