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True or false all waves need a medium in order to travel

True or false all waves need a medium in order to travel
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True or false all waves need a medium in order to travel

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User Austin Burk
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1 Answer

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No light does not need medium to travel.Its an electromagnetic(EM) wave.All EM waves travel independent of medium. In contrast mechanical waves need a medium,sound waves,shock waves are mechanical and they need medium to transfer energy or travel.
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User Gokigooooks
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