MHT CET 2025 Physics question
An open organ pipe is closed such that the third overtone of the closed pipe is found to be higher in frequency to 200 Hz than the second overtone of the original pipe. The fundamental frequency of the open pipe is (Neglect end correction)
Answer: (C)
Solution
Let the open pipe have fundamental n; its harmonics are so the second overtone is . Closing one end of the same pipe gives fundamental , and only odd harmonics ( times ) occur; the third overtone is the
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