gavianacandelar2635 gavianacandelar2635

28-04-2018
Physics

contestada

What is the wavelength of an ekectromagnetic wave that has a frequency of 40,000 hz? the speed of light is 3x10^8 m/s?

Respuesta :

asifbaloch19p80epy asifbaloch19p80epy

01-05-2018

solution
As,
speed=frequency × wavelengths
so,
wavelength=speed/frequency
=3×10^8/40000
=7500m

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