The energy carried by an electromagnetic wave is non-negative everywhere at all times.

Name: The energy carried by an electromagnetic wave is non-negative everywhere at all times.
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Question

Quizplus · Accepted Answer

The energy carried by an electromagnetic wave is given by the Poynting vector, which represents the energy flux or power per unit area. Since energy is a scalar quantity and cannot be negative, the energy carried by an electromagnetic wave is non-negative everywhere at all times.

The Energy Carried by an Electromagnetic Wave Is Non-Negative Everywhere