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What do electromagnetic waves travel slowest through?

Oliver Davis | 2018-04-06 09:54:51 | page views：1862
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Ethan Martinez

Works at Google, Lives in Mountain View, CA
Electromagnetic waves travel slowest through materials that are dense and have a high refractive index. These materials typically have a lot of electrons that can interact with the waves, slowing them down. Examples include solids and liquids, with some solids like glass or water being denser than others. The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s), but when it passes through any material, it slows down significantly.
Properties of Waves | Waves | Uzinggo
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Harper Perez

Studied at the University of Barcelona, Lives in Barcelona, Spain.
~ Electromagnetic waves move the fastest through gases. Since electromagnetic waves do not require a medium to pass through, they are faster in matter that has fewer particles. ... ~ Sound cannot travel in a vacuum because mechanical waves, such as sound waves, require a medium to propagate through.
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Ethan Davis

QuesHub.com delivers expert answers and knowledge to you.
~ Electromagnetic waves move the fastest through gases. Since electromagnetic waves do not require a medium to pass through, they are faster in matter that has fewer particles. ... ~ Sound cannot travel in a vacuum because mechanical waves, such as sound waves, require a medium to propagate through.
Properties of Waves | Waves | Uzinggo
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