Physics · 2012
NEET 2012 · Prelims · Code A · Q16
When a string is divided into three segments of length l_1, l_2 and l_3, the fundamental frequencies of these three segments are ν_1, ν_2 and ν_3…
When a string is divided into three segments of length $\displaystyle l_1, l_2$ and $\displaystyle l_3$, the fundamental frequencies of these three segments are $\displaystyle \nu_1, \nu_2$ and $\displaystyle \nu_3$ respectively. The original fundamental frequency $\displaystyle (\nu)$ of the string is :
Official answer
(1)
$\displaystyle \frac{1}{\nu}=\frac{1}{\nu_1}+\frac{1}{\nu_2}+\frac{1}{\nu_3}$
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NEET (UG) 2012 Physics question, with the answer from NTA’s final answer key. Where our answers come from.