The path difference between two waves is

If the path difference between two waves at a point is 29 lamda , then the point will be

The path difference between two waves meeting at a point is (11//4)lamda . The phase difference between the two waves is…

Ratio of intensities between a point A and that of central fringe is 0.853. If we consider slits are of equal width then path difference between two waves at point A will be :

State the path difference between two waves for constructive interference .

State the path difference between two waves for destructive interference .

What is the path difference between two waves for constructive interfernce?