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09-04-2019
Physics

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What type of electromagnetic radiation travels the fastest?a) radio waves b) sound waves c) X-rays d) infrared rays e) All of the above

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09-04-2019

All electromagnetic waves have the same speed when they're all in the same medium.

Note: Sound waves don't belong on this list, because they're not electromagnetic waves. The speed of sound in air is only about 0.0001 percent of the speed of electromagnetic waves in air.

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