Shows a snapshot of a sinusoidal travelling wave taken at `t=0.3s`. The wavelength is 7.5 cm and
Channel: Doubtnut
Date: 26/07/2020

Shows a snapshot of a sinusoidal travelling wave taken at `t=0.3s`. The wavelength is 7.5 cm and amplitude is 2 cm. if the crest P was at x=0 at t=0, write the equation of travelling wave.