Two coherent light sources having intensity in the ratio 2 x produce an interference pattern. The ratio I max - I min I max + I min will be

Question

Two coherent light sources having intensity in the ratio 2 x produce an interference pattern. The ratio I max - I min I max + I min will be, 2 2 x x + 1, 2 x 2 x + 1, 2 2 x 2 x + 1, 2 x x + 1

MARKS App · Accepted Answer

Given that, I 1 I 2 = 2 x . We know, I max = I 1 + I 2 2 & I min = I 1 - I 2 2 ∴ I max - I min I max + I min = 2 I 1 I 2 I 1 + I 2 = 2 I 1 / I 2 I 1 I 2 + 1 = 2 2 x 2 x + 1

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