Twixlife5148 Twixlife5148

19-03-2020
Physics

contestada

A plane electromagnetic wave with wavelength 3.0 m, travels in free space in the+xdirection with its electric field vector~E, of amplitude 300 V/m, directed along they-axis.(a) What is the frequencyfof the wave?

Respuesta :

moya1316 moya1316

23-03-2020

Answer:

f =1 10⁸ Hz

Explanation:

The speed of an electromagnetic wave is given by

c = Lam f

In our case, the wavelength is 3.0 m, so we can clear the frequency

f = c / Lam

f = 3 108/3.

f =1 10⁸ Hz

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