If two waves each of intensity I having the same frequency but differing by a constant phase angle of 60 ,superimposing at a certain point in space then the intensity of the resultant wave is Share with your friends Share 2 Anshu Agrawal answered this Dear student, As both have identical intensityResultant intensityI' = I +I +2I×I cos60I' =2I+2I×I ×12I' =2I+II' =3I Regards 6 View Full Answer