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A tuning fork of unknown frequency gives 4 beats/sec with a tuning fork of frequency 310Hz.It gives the same no. of beats/sec on filing.find the unknown frequency. |
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Answer» Solution: Let the unknown frequency be f. So, before filling f – 310 = 4 Hz => f = 314 Hz And, after filling, 310 – f = 4 Hz => f = 306 Hz Thus, the required frequency is 314 Hz. |
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