Can two mechanical waves carry same energy whose frequencies are different?(assuming same medium but having different amplitudes
1 Answer
$\begingroup$
$\endgroup$
If you consider a mechanical wave in a string, that is possible as long as you keep $\omega A$ fixed.
That is because the energy of a mechanical wave is given by
$I = \frac{1}{2}\rho v\omega^2A^2$
Many textbooks would contain a proof, and http://cnx.org/content/m12793/latest/ may help as well.
