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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 16 - Waves > A tuning fork of frequency 512 Hz makes 4 beats/s with the vibrating string of a piano. The beat frequency decreases to 2 beats/s when the tension in the piano string is slightly increased.The frequency of the piano string before increasing the tension was

A tuning fork of frequency 512 Hz makes 4 beats/s with the vibrating string of a piano. The beat frequency decreases to 2 beats/s when the tension in the piano string is slightly increased.The frequency of the piano string before increasing the tension was

(n + 1). They superimpose to give beats. The number of beats produced per second will be. n Three sound waves of equal amplitudes have frequencies (n − 1)