Physics, 16.10.2020 15:01 Saberabuomar2007

What is the velocity of a radio wave? I know the velocity of a microwave is 3×10^8 but does that go for all electromagnetic waves? Also, what type of a wave does a sodium vapor lamp giving off yellow light emit and a helium laser emit?

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What is the velocity of a radio wave? I know the velocity of a microwave is 3×10^8 but does that go...

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