The frequency of the radar wave is 4.166 Hz.
The wavelength is the distance between the adjacent crest or trough of the sinusoidal wave. The wavelength is the reciprocal of the frequency of the wave.
Wavelength λ = 1/f
A 0.12-meter-long electromagnetic (radar) wave is emitted by a weather station and reflected from a near by thunderstorm.
The radar wave travels double the distance 0.12 m.
λ = 2 x 0.12 = 0.24 m
Then, the frequency of the radar wave is
f= 1 / 0.24
f =4.166 Hz
Thus, the frequency of the radar wave is 4.166 Hz.
Learn more about wavelength.
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