Physics · 2015
NEET 2015 · 3 May · Code E · Q25
The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open at both the ends. The length…
The fundamental frequency of a closed organ pipe of length $\displaystyle 20$ cm is equal to the second overtone of an organ pipe open at both the ends. The length of organ pipe open at both the ends is :
Official answer
(3)
$\displaystyle 120$ cm
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NEET (UG) 2015 Physics question, with the answer from NTA’s final answer key. Where our answers come from.