In the experiment for the determination of the speed of sound in air using the resonance column method, the length of the air column that resonates in the fundamental mode, with a tunig for is `0.1`, when this length is changed to `3.5`m the same tuning fork resonates with the first overtone. Calculate the end correction :

Options

A. `0.025 m`
B. `0.024 m`
C. `0.012 m`
D. `0.05 m`

Answer

A

Explanation

End correction `=(L_(2)-3L_(1))/(2)`
`=(0.35-0.3-3xx0.1)/(2)`
`=(0.35-0.3)/(2)=(0.05)/(2)`
`=0.025 m`