Two sounds A and B are of same amplitude, same wave forms but of frequencies f and 2f respectively. Then ______.

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Two sounds A and B are of same amplitude, same wave forms but of frequencies f and 2f respectively. Then B is shrill, A is grave. Explanation: The shrillness or pitch of a sound is directly proportional to the frequency of the sound wave. The greater the frequency, the shriller will be the note.

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