Physics · Acoustics
When shouting, a person often cups their hands around their mouth because in that situation ________.
- 1the sound energy is directed primarily in a specific direction✓
- 2it alters the timbre or quality of the sound
- 3it increases the pitch of the sound waves
- 4it has no real physical effect but acts psychologically
Correct answer
the sound energy is directed primarily in a specific direction
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