Light: Particle or Wave?
Light can be a particle or wave, and can behave simultaneously as a particle and wave
What Type of Wave is Light?
Light is an electromagnetic wave. An electromagnetic wave is a wave that can survive through the vacuum of space.
Do Light Waves Require a Medium?
No, electromagnetic waves do not require a medium to exist, and light is an electromagnetic wave. A medium is a substance a wave travels through or the substance that carries a wave.