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Question

Sound travels fastest in ______.


A

Water

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B

Solid object

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C

Gas

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D

Vacuum

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Solution

The correct option is B

Solid object


Sound waves travel fastest in solids, then in liquids, and the slowest in gases. Liquids are not packed as tightly as solids and gases are very loosely packed. The spacing of the molecules enables sound to travel much faster through a solid than in gases. In a vacuum, there is no medium, so sound waves do not travel in it.


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