the first resonant length of a resonance tube is 40cm and the second resonant length is 122cm. find the third resonant length of resonance tube?
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Expert's answer
2017-10-11T15:37:07-0400
The first resonant length is L_1=λ/4 The second resonant length is L_3=3 λ/4 The third resonant length of resonance tube is L_5=5 λ/4=5/3 L_3=5/3 (122cm)=203 cm.
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