Thomas Young Demonstrated That Light Behaves as a Wave by Showing

Thomas Young demonstrated that light behaves as a wave by showing that

A) light striking a metal surface releases electrons from the metal, with violet light producing more energetic electrons than red light.
B) light passing through two narrow, closely spaced slits produces a pattern of light and dark bands on a screen by wave interference.
C) the speed of light in a vacuum is the same for all observers.
D) the speed of light decreases when it enters a denser, transparent medium.