explain that sound needs a medium to travel
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since sound wave is mechanical wave not electromagnetic waves thus its need medium to propogate...
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hey mate...
That's because sound is a mechanical wave. ... In contrast, electromagnetic waves require no medium, but can still travel through one. Since a vacuum is defined as lacking a medium, then sound and correspondingly, mechanical waves, cannot propagate through a vacuum. This is why we can't hear voices or sounds in space.
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That's because sound is a mechanical wave. ... In contrast, electromagnetic waves require no medium, but can still travel through one. Since a vacuum is defined as lacking a medium, then sound and correspondingly, mechanical waves, cannot propagate through a vacuum. This is why we can't hear voices or sounds in space.
it might help you
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