The distance between a monochromatic source of light and a double slit is 2 meter. The wavelength of light is 6X10-" m. The separation of Si S2 is 1 mm. What should be the size of the source of light so that spatial coherence is maintained between Si & S2? [1.2mm]

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7. The distance between a monochromatic source of light and a double slit is 2 meter. The wavelength
of light is 6X10-' m. The separation of S1 S2 is 1 mm. What should be the size of the source of light
so that spatial coherence is maintained between Si & S2?
[1.2mm]
Transcribed Image Text:7. The distance between a monochromatic source of light and a double slit is 2 meter. The wavelength of light is 6X10-' m. The separation of S1 S2 is 1 mm. What should be the size of the source of light so that spatial coherence is maintained between Si & S2? [1.2mm]
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