Question

two vibrating wires A and B are slightly out of tone and produce beats of frequency 8hz. tension in wire A increases and beat frequency found to reduce to 5hz. if original frequency of A is 480hz. find the frequency of B.

Answer 1

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The beat frequency decreases to 2 beats per second when the tension in the piano string is slightly increased. The frequency of ... A tuning fork of known frequency 256 Hz makes 5 beats per second with the vibrating string of a piano. The beat ... (ii)If 251 Hz increases due to tension, beats per second decrease.

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