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Figure here shows P and Q as two equally intense coherent sources emitting radiations of wavelength 20 m. The separation PQ is 5.0 m and phase of P is ahead of the phase of Q by 90∘. A, B and C are three distant points of observation equidistant from the midpoint of PQ. The intensity of radiations at A, B, C will bear the ratio [NSEP 1994] |
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Answer» Figure here shows P and Q as two equally intense coherent sources emitting radiations of wavelength 20 m. The separation PQ is 5.0 m and phase of P is ahead of the phase of Q by 90∘. A, B and C are three distant points of observation equidistant from the midpoint of PQ. The intensity of radiations at A, B, C will bear the ratio
[NSEP 1994] |
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