Waves

JEE Main level, single correct, medium

111 of 142

Question 111 of 142

A cylindrical tube, open at both ends, has a fundamental frequency, f\mathrm{f}, in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air-column is now

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Answer: (A) ff

fo=v2ℓf_o=\frac{v}{2 \ell}
fc=v2ℓf_c=\frac{v}{2 \ell}

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