Answer:
An electromagnetic wave with a wavelength of 300,000 km has a frequency of 3 108 m/s. 300,000 km/s is a very fast speed.
Explanation:
That's all I think.
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Answers & Comments
Answer:
An electromagnetic wave with a wavelength of 300,000 km has a frequency of 3 108 m/s. 300,000 km/s is a very fast speed.
Explanation:
That's all I think.