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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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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts