Q. 15

A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time. . What is B at this point?

Answer :


The magnitude of electric and magnetic fields in the electromagnetic wave are related as

where, C is speed of light =

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Speed of electromagnetic waves is the same

HC Verma - Concepts of Physics Part 2

An electric field and a magnetic field exist in a region. The fields are not perpendicular to each other.

HC Verma - Concepts of Physics Part 2