Q (iv). When two transverse sinusoidal waves have the same amplitude, frequency, and wavelength but traveling in opposite directions in the same medium: standing waves of the following equation will be produced.
\[
y(x, t)=\left[2 y_{m} \sin k x\right] \cos \omega t \quad y x, t=0 \quad \cos \omega t
\]
Write the condition for node and antinode and show the node and antinode with diagram.