Wave Motion 2 Question 26
26. A cylindrical tube, open at both ends, has a fundamental frequency in air. The tube is dipped vertically in water so that half of its length is in water. The fundamental frequency of the air column is now
(1981, 2M)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 26. (c)
Solution:
- Initially the tube was open at both ends and then it is closed.
Since, tube is half dipped in water,