What is a photon?
A)an electron in an excited state
B)a small packet of electromagnetic energy that has particle-like properties
C)one form of a nucleon, one of the particles that makes up the nucleus
D)an electron that has been made electrically neutral
E)a proton that has been made electrically neutral

Question

Quizplus · Accepted Answer

A photon is a quantum of electromagnetic energy with both wave-like and particle-like properties, often described as a "packet" of light.

What Is a Photon