A radio wave has a wavelength of 150m If the ve... - WAEC Physics 2002 Question
A radio wave has a wavelength of 150m. If the velocity of radio waves is free spaces is 3 x 10\(^8\) ms\(^{-1}\), calculate the frequency of the radio wave
A
4.50 x 1010Hz
B
5.0 x 109Hz
C
4.5 x 109Hz
D
2.0 x 106Hz
correct option: d
f = \(\frac{V}{\lambda} = \frac{3 \times 10^8}{150}\)
= 2.0 x 10\(^6\) Hz
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