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7. | A tube closed at one end and containing air produces, when excited, the fundamental note of frequency 512Hz. If the tube is open at both ends, the fundamental frequency that can be excited is (in Hz). | |
A. | 1024 | |
B. | 512 | |
C. | 256 | |
D. | 128 | |
Answer: Option A | |
Explanation: | |
Fundamental frequency of a closed pipe, |
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