Sound WavesEasy
Question
cylinder tube, opern at both ends, has a fundamental frequency f in air. The tube is dipped vertically in water so that half of its length in water. The fundamental frequency of the air column is now
Options
A.f / 2
B.3f / 4
C.f
D.2f
Solution
Initially the tube was open at both ends and then it is closed.
f0 =
and 
Since, tube is dipped in water,
∴
.
f0 =
and Since, tube is dipped in water,
∴
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