A tuning fork gives 1 beat in 2 seconds with a timing fork of frequenc – InterviewSolution

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1.	A tuning fork gives 1 beat in 2 seconds with a timing fork of frequency 341.3 Hz. If the beat frequency decreases when the first fork is filed a little, its original frequency was (A) 336.3 Hz (B) 340.8 Hz (C) 341.8 Hz (D) 346.3 Hz.
Answer» (B) 340.8 Hz

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