Whan stationary waves are set up in a medium, which of the following is a true statement?

Options

A. All the particles in the medium are in the same phase of vibration at all times.
B. There is a continuous phase lag along the wave.
C. There is a continuous phase lead along the wave.
D. The particles between two successive nodes are in same phase but the particle just oppsite to a node are in opposite phase.

Answer

D