Sound WavesMedium
Question
A cylindrical tube, open at both ends, has a fundamental frequency ƒ in air. The tube is dipped vertically in water so that half of its in water. The fundamental frequency of the air column is now : -
Options
A.
B.
C.ƒ
D.2ƒ
Solution
v = f1λ1 = f2λ2 ⇒ f × 2L = f′ × 2L ⇒ f′ = f
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