In figure- PQ represents a plane wavefront and AO and BP the corresponding extreme rays of monochromatic light of wavelength - - The value of angle - - for which the ray BP and the reflected ray OP interfere constructively is given by-cos- - -3-4d-cos- - -4d-sec- - -3d-sec - - -2-3d-

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Byju's Answer

Standard XII

Physics

The Effect of Path Difference

In figure, PQ...

Question

In figure, PQ represents a plane wavefront and AO and BP the corresponding extreme rays of monochromatic light of wavelength ' $λ$ '. The value of angle $θ$ for which the ray BP and the reflected ray OP interfere constructively is given by:

cos

θ = \frac{3 λ}{4 d}

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cos

θ = \frac{λ}{4 d}

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sec

θ = \frac{λ}{3 d}

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sec

θ = \frac{2 λ}{3 d}

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In figure, PQ represents a plane wavefront and AO and BP the corresponding extreme rays of monochromatic light of wavelength 'λ'. The value of angle θ for which the ray BP and the reflected ray OP interfere constructively is given by:

In figure, PQ represents a plane wavefront and AO and BP the corresponding extreme rays of monochromatic light of wavelength ' $λ$ '. The value of angle $θ$ for which the ray BP and the reflected ray OP interfere constructively is given by: