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Sagot :
The frequency of a 2 meter wavelength radio wave is 149,668,992Hz .The range of the radio waves is considered to be 3 kHz up to 300 GHz.
Radio waves are a kind of electromagnetic radiation with the longest frequencies in the electromagnetic range, commonly with frequencies of 300 gigahertz (GHz) and underneath. At 300 GHz, the relating frequency is 1 mm (more limited than a grain of rice); at 30 Hz the comparing frequency is 10,000 kilometers
For electromagnetic wave ,we know an expression
c=ν × λ
where c is the defined as the speed of wave in any medium,
ν is defined as the frequency of the wave and
λ is defined as the wavelength of the wave.
Now, we know that speed of radio wave is 186,000 miles per second
We also know that 1mile= 1609.344 meters
Therefore,186,000 miles=186,000×1609.344 meters
So, speed of radio wave is 299,337,984m/sec.
Using the above formula, we get
=>299,337,984m/sec=v×2
=>v=299,337,984/2
=>v=149,668,992/sec
or v=149,668,992Hz
Hence, frequency of radio wave is 149,668,992Hz.
To know more about frequency, visit here:
https://brainly.com/question/14316711
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