What is the wavelength of the radiation from the 60-Hz alternating current in th

Question

What is the wavelength of the radiation from the 60-Hz alternating current in the electric power lines? ___________ Sodium are lamps are often used in street-lights and can be distinguished by their yellow light. The wavelength of this light is 580 nm. What is the frequency? __________ The average earth-sun distance is 1.496 Times 10^11 m. What is the average time required sunlight to reach the earth? __________ By conventional logic is the medium that "waves' when an electromagnetic wave goes travel through space? ________. Write down a brief qualitative and quantitative definition of the Plane Wave Approximation. Suppose the electric field part of an electromagnetic wave in a vacuum is E = {(31 N/C) cos|(1.8rad/m)y + (5.4 times 10^5 rad/s)t]}| What is the direction of propagation? What is the wavelength? What is the frequency? What is the amplitude of the magnetic field part of the wave? Write an expression for the magnetic field part of the wave.

Explanation / Answer

here,

frequency of current , f = 60 Hz

the speed , c = 3 * 10^8 m/s

the wavelength , lamda = c/f

lamda = 5 * 10^6 m

the wavelength of light radiation is 5 * 10^6 m

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