# The wave length of a radio wave is 1.0.find its frequency?

2
by phanisteyn
Where is Lambada in the symbol box?
it's 1.0 m , right?
but the wavelength of radiowaves are of magnitude 1 km

2015-02-22T21:45:08+05:30

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We know that,
v=fλ
3X 10⁸ms⁻¹=f X 1000m
f=3X10⁵Hz
2015-02-23T10:57:36+05:30

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Assuming 1.0 = 1.0 Km
Frequency = Speed of light / wavelength
= (3 * 10^8) / 1000 = 3 * 10^5 Hz.