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2 March, 15:15

Which of the following is true of sound waves?

A. Sound waves are transverse waves.

B. Sound waves can only travel through fluids.

C. Sound waves are electromagnetic waves.

D. Sound waves require a medium in which to travel.

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Answers (2)
  1. 2 March, 17:30
    0
    D. Sound waves require a medium in which to travel.

    Explanation:

    Sound waves need to travel through a medium such as a solid, liquid, or gas. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly. 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 a gas. Sound travels about four times faster and farther in water than it does in air.
  2. 2 March, 18:00
    0
    D. Sound waves require a medium in which to travel
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