Physics - Sound Wave Question with Solution | TestHub

Equation of sound wave is $$y=0.0015\sin (62.4x+316t)\text{. }$$ Standard equation of a sound wave is $$y=A\sin 2\pi \left[\frac{x}{\lambda }+\frac{t}{T}\right]$$ Comparing the given equation with the standard equation, we get $$2\pi /\lambda =62.8\text{ or, }\lambda =\frac{2\pi }{62.8}=0.1\text{ unit. }$$ (where $\lambda =$ wavelength of the wave)