MHT CET 2026 Physics question
When a sonometer wire vibratres in the third overtone, the number of antinodes and nodes formed on the wire are respectively
Answer: (A)
Solution
A sonometer wire is fixed at both ends, so it supports all harmonics: the th harmonic has loops (antinodes). The first overtone is the 2nd harmonic, the second overtone is the 3rd harmonic and the third overtone is the 4th harmonic (frequency ). The 4th harmonic has 4 loops, i.e. 4 antinodes,
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