The size of your eardrum the tympanum partially determines, Ask an Expert

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The size of your eardrum (the tympanum) partially determines the upper frequency limit of your audible region, usually between 16,000 Hz and 20,000 Hz. If the wavelength is about twice the diameter of the eardrum and the air temperature is 20oC, how wide is your eardrum? Is your answer reasonable?

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