Two coherent sources must have the same

A : Light from two coherent sources is reaching the screen. If the path difference at a point on the screen for yellow light is 3lambda"/"2 , then the fringe at the point will be coloured. R : Two coherent sources always have same phase relationship at any point on the screen.

Two coherent sources have intensities in the ratio 25: 16. Find the ratio of intensities of maxima to minima after the superposition of waves from the two source.

Two coherent sources have intensity ratio of 100 : 1, and are used for obtaining the phenomenon of interference. Then the ratio of maximum and minimum intensity will be –

Two coherent sources have intensities in the ratio 25 : 16 . Find the ratio of intensities of maxima to minima after interference occurs.

Two coherent sources have intensity in the ratio of (100)/(1) . Ratio of (intensity) max/(intensity) min is

Two coherent sources separated by distance d are radiating in phase having wavelength lambda . A detector moves in a big circle around the two sources in the plane of the two sources. The angular position of n=4 interference maxima is given as

Two coherent sources separated by distance d are radiating in phase having wavelength lambda . A detector moves in a big circle around the two sources in the plane of the two sources. The angular position of n=4 interference maxima is given as

What is meant by coherent sources? What are the two methods for obtaining coherent sources in the laboratory?

Interference pattern is formed from two coherent sources of same intensity. If intensit of minima is zero, then what will be th intensity of maxima ?