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A closed organ pipe (closed at one end) is excited to support the third overtone. It is found that air in the pipe has

A

3 nodes and 3 antinodes

B

3 nodes and 4 antinodes

C

4 nodes and 3 antinodes

D

4 nodes and 4 antinodes

Text Solution

Verified by Experts

The correct Answer is:
A

Third overtone has a frequency = `7upsilon`.
Thus length `L=7xx((lambda)/(4))`
Number of nodes = 4
Number of antinodes = 4
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