Which of the following statement s is/are not correct about a standing wave?

I. It is formed by the superimposition of two progressive waves traveling in the same direction

II. All points on the wave are vibrating with maximum displacement

III. It is formed by the superimposition of two progressive waves of different amplitudes traveling in opposite directions

A. I only
B. II only
C. I and II only
D. II and III only
E. I, II and III

Correct Answer:

Option E – I, II and III