Two identical flutes produce fundamental notes of frequency `300Hz` at `27^@C`. If the temperature of air in one flute is increased to `31^@C`, the number of the beats heard per second will beA. 1B. 2C. 3D. 4

Two identical flutes produce fundamental notes of frequency `300Hz` at

1.	Two identical flutes produce fundamental notes of frequency `300Hz` at `27^@C`. If the temperature of air in one flute is increased to `31^@C`, the number of the beats heard per second will beA. 1B. 2C. 3D. 4
Answer» Correct Answer - B

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Two identical flutes produce fundamental notes of frequency `300Hz` at `27^@C`. If the temperature of air in one flute is increased to `31^@C`, the number of the beats heard per second will beA. 1B. 2C. 3D. 4

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