A) Remains same
B) Decreases
C) Increases
D) First increases then decreases
Correct Answer: C
Solution :
For closed pipe in general \[n=\frac{v}{4l}(2N-1)\]Þ \[n\propto \frac{1}{l}\] i.e. if length of air column decreases frequency increases.You need to login to perform this action.
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