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MHT CET 2025 Physics question

PhysicsWavesMHT CET 2025

Two pipes of lengths and , open at both ends are joined in series. If '' and '' are the fundamental frequencies of two pipes, then the fundamental frequency of series combination will be (neglect end correction)

Answer: (C)

Solution

For an open pipe the fundamental frequency is , so . Joined in series, the combined open pipe has length . Its fundamental frequency is , so

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Question ID VK-101291