What Is The Formula For Constructive Interference?

What Is The Formula For Constructive Interference? The wavelength can thus be found using the equation d sin θ = mλ for constructive interference. What is N in the constructive interference formula? If that’s an integral number of wavelengths, constructive interference occurs. Constructive interference: ΔL = n λ, where n = 0, 1, 2, …