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Sol. Let the length of the resonating column will be = 1 Here V = 320 m/s Then the two successive resonance frequencies are (n + 1)/4 l and nv/4 l Here given (n + 1)v/4 l = 2592 ; λ = nv/4 l = 1944 ⇒ (n + 1)v/4 l - nv/4 l = 2592 – 19444 = 548 cm = 25 cm.
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