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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?
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Apr 11, 2019
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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?
Physics
high-school
Bala Ramachandran
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Bala Ramachandran
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solution
As,
speed=frequency × wavelengths
so,
wavelength=speed/frequency
=3×10^8/40000
=7500m
Agirardello
answered
Apr 15, 2019
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Agirardello
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