The Student Room Group

wavelength

How do you calculate the wavelength of a wave for a displacement against time graph?

The max displacement is 4m and the time period of 1 wave is 2s

thanx
If you know the time period you can work out the frequency. Then simply divide the speed of the wave (most likely c unless stated otherwise) by the frequency to get the wavelength (using the formula derived from speed=distance/time I'm sure you know which one I mean).

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