Q. Which of the following sounds can be heard by human ear?

(A) 10000 vibrations/sec
(B) 25000 vibrations/sec
(C) 30000 vibrations/sec
(D) 31 vibrations/sec

✅ Correct Answer: (A) 10000 vibrations/sec

Published by Physics Walla ⭐ 649 Points at 13-Oct-2022 03:27 pm in Physics

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