Physics · 2017
NEET 2017 · 7 May · Code A · Q43
The two nearest harmonics of a tube closed at one end and open at other end are 220 Hz and 260 Hz. What is the fundamental frequency of the system?
The two nearest harmonics of a tube closed at one end and open at other end are $\displaystyle 220$ Hz and $\displaystyle 260$ Hz . What is the fundamental frequency of the system ?
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 20$ Hz
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NEET (UG) 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.