Question

Two waves have equations x1= asin(wt+ (/)1) and x2=asin (wt+ (/)2). If in the resultant wave the frequency and amplitude remain equal to amplitude of super imposing waves, the Phase difference between them is

1- pi/6 2- 2pi/3

3-pi/4 4-pi/3

Answer 1

2pi/22pi/3 is the answer