Two coherent sound sources emit waves of wavelength in phase
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
Two coherent sound sources emit waves of wavelength 1.5m in phase. At a point P the path difference between the waves from the two sources is 0.75m. What kind of interference occurs at P?
(a) Constructive interference; maximum intensity
(b) Destructive interference; minimum intensity
(c) No definite interference pattern
(d) Destructive interference; maximum intensity