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A plane electromagnetic wave travels in free space along the $x$-direction. If the frequency of the wave is $f = 50 \text{ MHz}$, what is the wavelength $\lambda$ of the wave?
- A.$3 \text{ m}$
- B.$6 \text{ m}$
- C.$10 \text{ m}$
- D.$12 \text{ m}$
Show correct answer & step-by-step solution
Correct answer: B — $6 \text{ m}$
Solution
Using , we have .
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