Physics, 31.03.2020 03:44 yam78

If the wavelength is changed to λ/2, does the central spot remain bright, does the central spot become dark, or do the fringes disappear? Assume the fringes are viewed by a detector sensitive to both wavelengths.

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If the wavelength is changed to λ/2, does the central spot remain bright, does the central spot beco...