Can sound travel through a vacuum?

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Solution

No, sound waves cannot travel in a vacuum.
This is because sound waves are mechanical waves that need a medium (such as air and water) to travel.
Sound in physics is defined as a vibration that propagates as an audible wave of pressure, through a medium such as a gas, liquid, or solid.
Sound travels fastest in solids, relatively slower in liquids, and slowest in gases.

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