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AP and TS EAMCET Engineering Model Paper 14

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Question : 102

Total: 159

Two tunning forks A and B give 4 beats/s when sounded together. The frequency of A is 320 Hz. When some wax is added to 'B' and it is sounded with A, 4 beats/s are again heard. The frequency of B is

312 Hz
316 Hz
324 Hz
328 Hz

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