A section of drainage culvert 1.23 m in length makes a howling noise when the wind blows. What is the 5th lowest natural frequencies of the culvert if it is blocked at one end? Temperature of air is 38 C. O 361 Hz O 721 Hz O 1298 Hz O 649 Hz
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![QUESTION 6
A section of drainage culvert 1.23 m in length makes a howling noise when the wind blows. What is the 5th lowest natural frequencies of the
culvert if it is blocked at one end? Temperature of air is 38 C.
O 361 Hz
O 721 Hz
O 1298 Hz
O 649 Hz](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0de90762-ac5c-4b69-bba4-2dabf0a14be7%2F1eedc523-cc91-4fb7-9d81-20e3da2efb31%2Fiavnubi_processed.png&w=3840&q=75)
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