A) 1:2
B) 1 : 3
C) 3 : 8
D) 3 : 4
Correct Answer: C
Solution :
First overtone of closed organ pipe \[{{n}_{1}}=\frac{3v}{4{{l}_{1}}}\] Third overtone of open organ pipe \[{{n}_{2}}=\frac{4v}{2{{l}_{2}}}\] \[{{n}_{1}}={{n}_{2}}\,\text{(given)}\] \[\Rightarrow \] \[\frac{3v}{4{{l}_{1}}}=\frac{4v}{2{{l}_{2}}}\] \[\frac{{{l}_{1}}}{{{l}_{2}}}=\frac{3}{8}\]You need to login to perform this action.
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