In Young's experiment, the ratio of maximum and minimum intensities in the fringe system is 9 : 1 . The ratio of amplitudes of coherent sources is

Question

In Young's experiment, the ratio of maximum and minimum intensities in the fringe system is 9 : 1 . The ratio of amplitudes of coherent sources is, 9 : 1, 3 : 1, 2 : 1, 1 : 1

MARKS App · Accepted Answer

I m a x I m i n = a 1 + a 2 2 a 1 - a 2 2 9 1 = a 1 + a 2 a 1 - a 2 2 a 1 + a 2 a 1 - a 2 = 3 1 By solving this: a 1 + a 2 = 3 a 1 - 3 a 2 4 a 2 = 2 a 1 a 1 a 2 = 2 1

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