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What is Phase and Group Velocity of EM Waves about?

This document summarizes an experiment on the phase and group velocity of electromagnetic waves. It defines phase velocity as the speed at which the crest of a wave travels, and group velocity as the speed at which the envelope of a wave packet travels. The experiment shows that when two waves are added together, their amplitude is modulated by a beat frequency that travels at the group velocity. The group velocity depends on the difference between the waves

Author

Rahul Karthik

Language

EN