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NEET UG PHYSICS MCQ: WAVES
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A closed organ pipe and an open organ pipe of the same length produce four beats, when sounded together. If the length of the closed organ pipe is increased then the number of beats will
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Correct option: B
Increase
Option B (Increase) is correct because increasing the length of the closed pipe decreases its frequency, increasing the difference with the open pipe's frequency and thus the number of beats.
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