Question

The air column in an organ pipe closed at one end is made to vibrate so that there are 2 nodes and antinodes each. The mode of vibration is called ______ 

Options

• fundamental

• 2^nd overtone 

• 3^rd overtone 

• 1^st overtone 

Answer 1

The air column in an organ pipe closed at one end is made to vibrate so that there are 2 nodes and antinodes each. The mode of vibration is called 1^st overtone.