Linked from
The 29 pages that link to Interference, each with the reason it gives.
WavelengthRelated: Wavelength sets the spacing of interference fringes for a given geometry.
DiffractionRelated: Alternating reinforcement and cancellation create diffraction fringes.
OpticsRelated: Interference underlies color effects, coatings, and precision optical measurements.
Phase (waves)Related: Relative phase controls whether overlapping waves reinforce or cancel.
PhotonicsRelated: Interference underlies resonators, filters, and precision optical measurements.