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The length of the vibrating air column of a simple resonance tube can be altered...

The length of the vibrating air column of a simple resonance tube can be altered by adjusting a water level, Resonance is found for a fork of frequency 440 Hz when the length of the air column is 18.8 cm and again when it is 57.3 cm.



(i) Explain how each of these positions occurs; [2]

(ii) Calculate the speed of sound in the air in the tube [2]?
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Asked by Philip A. on 19th March, 2021
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts