what is its wave length?

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A plane electomagnetic wave travels in vaccum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If the frequency of the wave is 30 MHz, what is its wave length?
08
Sep
A plane electomagnetic wave travels in vaccum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If the frequency of the wave is 30 MHz, what is its wave length? A plane electomagnetic wave travels in vaccum along z-direction. What can you say about the directions of its [...]
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