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When temperature of air is 20^(@)C a tun...

When temperature of air is `20^(@)C` a tuning fork sounded over the open end of an air column produces 4 beats per second, the tuning fork given a lower note. If the frequency of tuning fork is 34 Hz, then find how many beats will be produced by the tuning fork if temperature falls to `5^(@)C`?

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