(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The 1st rensonat length of a closed air column occurs when the length is 30.0cm. what will the send ond and third be?

2. Relevant equations

I did the pattern thign like 3/4 but i got the wrong answer.

3. The attempt at a solution

i multplied the legth 3/4 but i got the wrong answer.

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# Resonant length

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