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Beat Frequency

6. A tuning f...

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6. A tuning fork and an air column whose temperature is 51�C produce 4 beats in one second, when sounded together. When the temperature of air column decrease the number of beats per second decrease. When the temperature remains 16�C only one beat per second is produced. The frequency of the tuning fork is 1) 100HZ 2) 75 Hz 3) 150Hz 4) 50Hz

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