The back of a large auditorium is curved.
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A large auditorium has a curved back to render the sound waves parallel so that these can be heard over a large distance. The speaker is placed at the focus of curved surface and the sound after reflection from curved surface becomes parallel.
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Explanation:
A large auditorium has a curved back. Why? A large auditorium has a curved back to render the sound waves parallel so that these can be heard over a large distance. The speaker is placed at the focus of curved surface and the sound after reflection from curved surface becomes parallel.
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