I am 14 years old and I happen to be reading a physics book when I came across something called Virtual Photons and the uncertianty principle. The book does not explain what Virtual Photons are to well, and all I know about Photons is that they could be a wave or matter. If you could help me about what Virtual Photons are and Photons, that would be a great help.
Light is electromagnetic radiation.
It is pure energy. It is only part of the electromagnetic radiation spectrum - that which you can see with your eyes. Photons are what you call light when it acts like a particle. Most of the time you see light acting as a wave. X-rays acts more like a particle with a small size.