In a Young’s experiment, two coherent sources are placed apart and the fringes are observed one metre away. If it produces the second dark fringe at a distance of from the central fringe, the wavelength of monochromatic light used would be |
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c) |
d) |
In a Young’s experiment, two coherent sources are placed apart and the fringes are observed one metre away. If it produces the second dark fringe at a distance of from the central fringe, the wavelength of monochromatic light used would be |
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a) |
b) |
c) |
d) |