Wave Optics

Every point on a wavefront acts

Every point on a wavefront acts as a source of secondary spherical wavelets. The new wavefront at any later time is the envelope of all these secondar

A surface of constant phase where

A surface of constant phase where all points oscillate in the same phase. For a point source, wavefronts are spherical; at large distances, they appea

Sources that maintain a constant phase

Sources that maintain a constant phase relationship over time. They have the same frequency and a stable phase difference, essential for producing sta

The superposition of two or more

The superposition of two or more coherent waves resulting in regions of constructive interference (bright fringes) where path difference = nλ, and des

A landmark experiment that definitively proved

A landmark experiment that definitively proved the wave nature of light. Two coherent sources created by illuminating two closely spaced slits produce