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In a Young's experiment, two coherent so...

In a Young's experiment, two coherent sources are placed `0.90mm` apart and the fringes are observed one metre away. If is produces the second dark fringe at a distance of `1mm` from the central fringe, the wavelength of monochromatic light used would be

A

`60xx10^(-4)cm`

B

`10xx10^(-4)` cm

C

`10xx10^(-5)cm`

D

`6xx10^(-5)cm`

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The correct Answer is:
D
NA
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