Question

(c) Why is a sound wave called a longitudinal wave.
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Answer 1

Answer:

Since air molecules (the particles of the medium) are moving in a direction that is parallel to the direction that the wave moves, the sound wave is referred to as a longitudinal wave.

Answer 2

Answer:

Since air molecules (the particles of the medium) are moving in a direction that is parallel to the direction that the wave moves, the sound wave is referred to as a longitudinal wave.

Explanation:

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