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An electromagnetic wave has a wavelength of 1.3m what is the frequency of wave
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An electromagnetic wave has a wavelength of 1.3m what is the frequency of wave

User Benoittr
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v = f * wavelength
as we know electromagnetic wave has speed equal to light, so

3 * 10^8 = f * 1.3
f = 2.3 * 10^8 hertz
f = 230 mega hertz
User Rahul Savani
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