PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
In Young's double-slit experiment, if monochromatic light is replaced by white light:
(1) All bright fringes become white.
(2) All bright fringes have colours between violet and red.
(3) Only the central fringe is white; all other fringes are coloured.
(4) No fringes are observed.