Sound Waves: Resonance Column MCQ

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Resonance ColumnMediumQuestion 31249

Question

In a resonance column, first resonance occurs at 17.5 cm and second at 52.5 cm. The end correction implied by these idealised data is:

0 cm

$L_2-L_1=λ/2=35$ cm, so $λ=70$ cm. Since $L_1+e=λ/4=17.5$ cm, the implied end correction is 0 cm.