A closed organ pipe has a fundamental frequency of $1.5\, kHz$. The number of overtones that can be distinctly heard by a person with this organ pipe will be : (Assume that the highest frequency a person can hear is $20,000\, Hz$)
JEE MAIN 2019, Medium
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For closed organ pipe, resonate frequency is odd multiple of fundamental frequency. $(2 n+1) f_{o} \leq 20,000$
$\left(f_{o} \text { is fundamental frequency }=1.5 Khz \right)$
$n=6$
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