Two Harmonic Waves of the Same Frequency and Phase but of Different

Multiple Choice

Two harmonic waves of the same frequency and phase but of different amplitudes move in opposite directions on a string.A periodic series of maxima and minima on the string are observed.What is the ratio of the maximum displacement at a minimum position to that at a maximum position,if one amplitude is 52% of the other? (This is called the standing wave ratio. )

A) 0.32%
B) 48%
C) 0.0%
D) 52%