What is the wavelength of a 21.3-MHz signal?
A. 46.2 m.
B. 14.1 m.
C. 21.0 km.
D. 6.39 km.
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Answer: B
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What is the wavelength of a 21.3-MHz signal?
A. 46.2 m.
B. 14.1 m.
C. 21.0 km.
D. 6.39 km.
Answer: B
Share your understanding of this question with the correct explanation.