deduce a relation between wave velocity wavelength and frequency of a wave
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Frequency wavelength and wave velocity are related as follows:
Wave length is the distance travelled by the wave during the time a particle of the medium completes one vibration.
Therefore, if λ be the wavelength and T the time period then the wave travels a distance λ and time T
Hence,
Wave velocity = Distance/Time
⇒v= λ/T
∴v=νλ [ 1/T=frequency(ν)]
∴ Wave velocity= Frequency × Wavelength
The wave velocity in a medium remains constant under the same physical condition.
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