NEET PhysicsClass 11BeatsHardSingle correct

A guitar string sounded with a 300 Hz tuning fork gives 4 beats per second. When the tension in the string is slightly reduced, the beats increase to 6 per second. The original frequency of the string was

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A guitar string sounded with a 300 Hz tuning fork gives 4 beats per second. When the tension in the string is slightly reduced, the beats increase to 6 per second. The original frequency of the string was

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