drive the formula for the speed of the longitudinal wave in gas
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we know, speed = distance ÷ time
therefore, speed = wavelength ÷ time period
=> v = λ ÷ T
but, 1 / T = (nu)
therefore, v = λ x (nu)
Here, v is speed, λ is wavelength, T is Time period of the wave and (nu) is the Greek letter which stands for frequency.
So, we conclud that speed of wave equals wavelength multiplied by frequency
therefore, speed = wavelength ÷ time period
=> v = λ ÷ T
but, 1 / T = (nu)
therefore, v = λ x (nu)
Here, v is speed, λ is wavelength, T is Time period of the wave and (nu) is the Greek letter which stands for frequency.
So, we conclud that speed of wave equals wavelength multiplied by frequency
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