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21 August, 08:29

Which is the constructive interference formula for diffraction grating problems?

dsin =

dcos =

dcos = n

dsin = n

+3
Answers (1)
  1. 21 August, 11:14
    0
    The formula applied in diffraction gratings is:

    dsin (θ) = nλ

    where d is the distance between two adjacent openings in the grating, θ is the angle between two minima or maxima of light, n is the order of the maxima or minima formed and λ is the wavelength of the light being diffracted.
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