Electromagnetic Waves as Sinusoidal Waves Video Lessons

Concept

# Problem: A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.90 µT and a wavelength of 408 nm is traveling in the +x-direction through empty space.(a) What is the frequency of this wave?Hz(b) What is the amplitude of the associated electric field?V/m

###### FREE Expert Solution

The velocity of a wave is expressed as:

$\overline{){\mathbf{v}}{\mathbf{=}}{\mathbf{f}}{\mathbf{\lambda }}}$

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###### Problem Details

A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.90 µT and a wavelength of 408 nm is traveling in the +x-direction through empty space.

(a) What is the frequency of this wave?
Hz

(b) What is the amplitude of the associated electric field?
V/m