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QUESTION
Coherent light with wavelength 470 falls on a double slit. On a screen which is a distance of 1.90 away, the separation between dark fringes is 4.04
Coherent light with wavelength 470 falls on a double slit. On a screen which is a distance of 1.90 away, the separation between dark fringes is 4.04 .What is the separation of the slits?
