Question

the number of waves passing through a point in unit time is called​

Answer 1

Since waves are moving, we define frequency as the number of waves that pass a given point in a specified unit of time. The unit commonly used is Hertz which is the number of wave cycles pass a point in one second.

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Answer 2

The number of waves passing through a point in unit time is called​ frequency.

• A periodic disturbance moving through any space is called a wave.

• The S.I unit of frequency is Hertz, Hz.
• It is defined as the number of wave cycles(crest and trough) completed per second.
• The formula to find frequency is f = 1/T where "T" is the time period.
• Frequency depends on wavelength, they are inversely proportional to each other.
• Frequency is independent of the speed of propagation of waves.