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MHT CET 2025 Physics question

PhysicsWavesMHT CET 2025

Fundamental frequency of sonometer wire is 'n'. If the tension and length are increased 3 times and diameter is increased twice, the new frequency will be

Answer: (C)

Solution

Fundamental frequency where is the mass per unit length, . With , , (so ): $n' =

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Question ID VK-103103