On producing the waves of frequency 1000 Hz in a Kundt's tube, the total distance between 6 successive nodes is 85 cm. Speed of sound in the gas filled in the tube is

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330 m/s

340 m/s

350 m/s

300 m/s

answer is B.

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Detailed Solution

Distance between six successive node=5λ2=85cm⇒λ=2×855=34 cm=0.34 mTherefore, speed of sound in gas =nλ=1000×0.34=340 m/s

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