SELECT * FROM question_mgmt as q WHERE id=4235 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=192 and ex_no='8' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Sound why are the ceilings of concert halls curved

Question:

Why are the ceilings of concert halls curved?

Answer:

Concert halls are very big, so the sound might not reach every corner of the hall. Ceilings of concert halls are curved so that sound after reflection spreads uniformly in all parts of the hall.


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  • Answered by Ekta Mehta
  • 4 months ago

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