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3. What is the speed of an electromagnetic wave that has a frequency of 7.8 x 106 Hertz (Hz)?
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3. What is the speed of an electromagnetic wave that has a frequency of 7.8 x 106 Hertz (Hz)?

User Jim Fred
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Answer:

The speed of wave is constant which is the speed of light.

C = 3*10^8 m/s

Step-by-step explanation:

User Zdenek F
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