How is frequency measured?

Samara Goodman

Samara Goodman

Answered question

2023-03-26

How is frequency measured?

Answer & Explanation

plumingagcqr

plumingagcqr

Beginner2023-03-27Added 7 answers

Explanation:
1. In terms of wavelength, a wave cycle's total length is calculated. The distance covered by a point on a wave is its velocity. For any wave, the relationship between wavelength and velocity is usually proportional. Through the wave velocity formula, it is described.
2. Velocity And Wavelength: The velocity of a wave is equal to the product of its wavelength and frequency. The formula for wave velocity, which is represented as, V=f×λ
Where V=the velocity of the wave is measured using m/s, f=the frequency of the wave is measured using Hz, and λ=the wavelength of the wave is measured using m.
3. Counting: The number of times a recurring event occurs within a given time period is counted, and the number is then divided by the duration of the time period to determine the frequency of the occurrence.
Example: If 75 events occur within 16 seconds the frequency is
f=7516f=4.69Hz
4. Stroboscope: The object completes one cycle of oscillation and returns to its original location between flashes of light when the frequency of the strobe and the rotating or vibrating object are equal. As a result, when lit by the strobe, the object seems stationary. The calibrated readout on the stroboscope can then be used to determine the frequency.

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