Waves from two coherent sources interfere with each other. At a point where the trough of one wave superposes with the trough of the other wave the intensity of light is:
A. maximum
B. minimum
C. zero
D. no change
Answer:A
Waves from two coherent sources interfere with each other. At a point where the trough of one wave superposes with the trough of the other wave the intensity of light is:
A. maximum B. minimum C. zero D. no change