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If we study the vibration of a pipe open at both ends, then which of the following statements is not true?

1. Odd harmonics of the fundamental frequency will be generated
2. All harmonics of the fundamental frequency will be generated
3. Pressure change will be maximum at both ends
4. Antinode will be at open end

Correct answer: Odd harmonics of the fundamental frequency will be generated

Solution

In a pipe open at both ends, all harmonics of the fundamental frequency are generated, not just the odd harmonics. Hence, option A is incorrect.

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