Light ray
Sub atomic particle
Radiation
None of the above
Answer is Right!
Answer is Wrong!
The correct answer is: B. Subatomic particle
A photon is a subatomic particle that carries electromagnetic radiation. It is the quantum of the electromagnetic field and is the basic unit of light and other forms of electromagnetic radiation. Photons have zero rest mass and always travel at the speed of light in vacuum.
A light
ray is a line that represents the path of light. It is a useful concept for visualizing the propagation of light, but it is not a physical entity.Radiation is the emission or transmission of energy in the form of waves or particles. It can be electromagnetic radiation, such as light, or it can be particles, such as alpha particles or beta particles.
None of the above is not a correct answer.