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 * 10^11 m. What is the average time required for 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.

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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