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The wavelength of the light used in Youn...

The wavelength of the light used in Young’s double slit experiment is `lambda`. The intensity at a point on the screen where the path difference is `lambda/6` is I. If `I_0` denotes the maximum intensity, then the ratio of I and `I_0` is..........

A

0.75

B

0.707

C

0.5

D

0.866

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