Question
The given graph (Fig.) shows the displacement versus time relation for a disturbance travelling with velocity of 1500m s–1. Calculate the wavelength of the disturbance.
The given graph (Fig.) shows the displacement versus time relation for a disturbance travelling with velocity of 1500m s–1. Calculate the wavelength of the disturbance.
From the graph
Time period, T = 2 × 10-6s.
Frequency, $\text{v}=\frac{1}{\text{T}}=5\times10^5\text{Hz.}$
Wavelength, $\lambda=\frac{\text{u}}{\text{v}}=5\times10^5\text{m}.$
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