We now also know that all electromagnetic waves demonstrate interference effects. This was shown in the first ‘double slit’ experiment conducted by Thomas Young in 1801. Young's experiment ...

The original double-slit experiment, first performed in 1801 ... light was passed through two physical slits, creating an ...

If the brightness of light in a double slit experiment is increased what happens to the fringe spacing (distance between two consecutive maxima or minima)?