What is a photon?
a. wave of light
b. massless bundle of electromagnetic energy
c. description of the energy in a light wave
d. device used to diffract light

The answer is B.

Explanation:

Photons are particles of electromagnetic energy, which would include radio waves including microwaves, light including infrared, visible and ultraviolet, X-rays, gamma rays, and some cosmic rays. Although photons have no rest mass, they nevertheless have energy, linear momentum, and spin.

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emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.