Electromagnetic waves consist of oscillating electrical and magnetic fields which are perpendicular to one another. the place k would be the wavenumber and λ would be the wavelength. The variable c can only be employed On this equation once the electromagnetic wave is in a vacuum. Monochromatic, sinusoidal constant-point out[edit] https://bookmarks-hit.com/story13260383/getting-my-electromagnetic-spectrum-for-kids-to-work