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Emission and Absorption Spectra

A wire, fixed...

Question

A wire, fixed at both ends is seen to vibrate at a resonant frequency of 240 Hz and also at 320 Hz. What could be the maximum value of the fundamental frequency?

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Solution

Two frequencies are given as $ν_{1} = 240 H z$ and $ν_{2} = 320 H z$
Maximum fundamental frequency $ν_{o} = ν_{2} - ν_{1} = 320 - 240 = 80 H z$

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