Two broad monochromatic beams A and B of plane coherent waves of the same intensity and wavelength propagating at angle 0 from

Question

Two broad monochromatic beams A and B of plane coherent waves of the same intensity and wavelength propagating at angle 0 from each other Simultaneously illuminate a cylindrical screen Direction of propagation of both beams are perpendicular to the axis of the screen Consider a point P on the screen at angular position from the line of propagation of the beam A as shown in figure Find distance between adjacent interference fringes on the screen near the point P Assume that the distance between adjacent fringes is much less than the radius of the cylinder A C 2 2 cos sin 2 sin 0 sin 70 2 B 2 0 2sin 2 cos 0 P D 2 sin 0 sin0

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