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The periodic rise and fall in the intensity of sound produced whn two notes of...

Physics
WAEC 2022

The periodic rise and fall in the intensity of sound produced whn two notes of nearly equal frequencies are sounded together is called?

  • A. doppler effect
  • B. beat
  • C. interference
  • D. resonance
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Correct Answer: Option B
Explanation

beat, in physics, the pulsation caused by the combination of two waves of slightly different frequencies.

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