Light was known to be a wave but had to be considered as made up of lumps not waves to explain ultraviolet catastrophe. Why?
115200
Why does energy have to be emitted in quanta?
30745
Why can't photons have a mass?
47395
What exactly is light?
100773
Why does destructive interference not stop a wave?
82419
Why does the electric field dominate in light?
33110
The origin of the value of speed of light in vacuum
144948
Why doesn't an electromagnetic wave violate conservation of energy?
112514
What is a wave?
67575
Electromagnetic wave properties of light vs radio waves
97681
Why is light produced when an underwater bubble is collapsed with a sound wave?
30474
Why is light called an 'electromagnetic wave' if it's neither electric nor magnetic?
28971
Do Photons Move in a Wave Like Pattern?
41466
Can the photoelectric effect be explained without photons?
26806
Virtual photons, what makes them virtual?
11053
Planck's Law in terms of wavelength
820
Photons are faster than the speed of light because they travel in transversal waves?
33395
What is the experimental evidence that light is an electromagnetic wave?