An electromagnatic wave is traveling in vacuum with frequency 6.5 x 1014 Hz. The wave has...

An electromagnatic wave is traveling in vacuum with frequency 6.5 x 10¹⁴ Hz. The wave has average total energy density of 4.6 x 10^-6 J/m³.

(a) What is the speed of this wave?

(b) What is the wavelength of this wave?

(d) What is the rms magnetic field of this wave?

(e) How much energy does a 2 m² flat surface (perpendicular to the wave propagation direction) receive in 8 s?

(f) How long does it take for this wave to travel from the sun to the earth?

(g) How many wavelengths of the wave fit in this distance?

Solutions

Expert Solution

genius_generous answered 1 year ago

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