The tuning forks of unknown frequency 256 hertz makes 5 beat per second the vibration of piano when tension in the wire is in piano increased by 2% then the beat frequency decrease by to beat per second the frequency of you know before increase of tension will be
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❥The tuning forks of unknown frequency 256 hertz makes 5 beat per second the vibration of piano when tension in the wire is in piano increased by 2% then the beat frequency decrease by to beat per second the frequency of you know before increase of tension will be
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