NEET 2026 Physics question
For sound waves, if the number of nodes for the 5 harmonic of an open-ended pipe is and that for the 9 harmonic of the same pipe with one of its ends closed is , the ratio is
Answer: (3)
Solution
Open pipe (antinodes at both ends): the -th harmonic has nodes, so the 5th harmonic has displacement nodes. Closed pipe (node at the closed end, antinode at the open end): only odd harmonics exist; the -th harmonic ( odd) has
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