A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.50 µT a

Question

A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.50 µT and a wavelength of 400 nm is traveling in the +x-direction through empty space. (a) What is the frequency of this wave A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.50 µT and a wavelength of 400 nm is traveling in the +x-direction through empty space. (a) What is the frequency of this wave A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.50 µT and a wavelength of 400 nm is traveling in the +x-direction through empty space. (a) What is the frequency of this wave

Explanation / Answer

Accoding to the problem given,

Amplitude (A) = 1.50 * 10-6T

Wave lenght () = 400 * 10-9 m

As from the relation,

f = c/ where f = frequncy and c speed of light = 3 *108m/s

f = c/

f = 3*108/(400 * 10-9)

f = 7.5 * 1015 Hz

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