Question

_____ is the sound energy per unit area at right angles of the propagation direction, per unit time. * 1 point

Answer 1

loudness or it must be pitch of a voice

Answer 2

Answer:

Intensity

Explanation:

Concept

The intensity of a sound wave is defined as the amount of sound energy passing through a unit area per second.

Final Answer

Intensity is the sound energy per unit area at right angles of the propagation direction, per unit time.

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