Question : Two coherent sources of intensity ratio 1 : 4 produce an interference pattern. The fringe visibility will be
A. 1
B. 0.8
C. 0.4
D. 0.6
Answer:B
Question : Two coherent sources of intensity ratio 1 : 4 produce an interference pattern. The fringe visibility will be
A. 1 B. 0.8 C. 0.4 D. 0.6