In a Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If it produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Distance of 
dark fringe from central fringe
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