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A resonance tube is old and has jagged end. It is still used in the laboratory to determine. Velocity of sound in air. A tuning fork of frequency 512Hz produces first resonance when the tube is filled with wtaer to a mark11 cm below a reference mark, near the open end of the tube. the experiment is repeated with another fork of frequency 256Hz which produces first resonance when water reaches a mark 27 cm below the reference mark. the velocity of sound in air, obtained in the experiment, is close to : |
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Answer» `322ms^(-1)` |
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