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  • A cylindrical resonance tube, open at both ends, has a fundamental in air. If half of the length is d

A cylindrical resonance tube, open at both ends, has a fundamental \mathrm{f} in air. If half of the length is dipped vertically in water. The fundamental of the air column will be-
 

Option: 1

\mathrm{\frac{3 f}{2}}


 


Option: 2

\mathrm{2 f}


Option: 3

\mathrm{f}
 


Option: 4

\mathrm{\frac{f}{2}}


Answers (1)

best_answer

\mathrm{f=\frac{v}{2 l} \text { and } f^{\prime}=\frac{v}{f(l / 2)}=\frac{v}{2 l}=f }

Hence option 3 is correct.
 

Posted by

shivangi.shekhar

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