Physics · 2022
JEE Main · 29 June 2022, Shift 1 · Q36
A wire of length L is hanging from a fixed support. The length changes to L_1 and L_2 when masses 1 kg and 2 kg are suspended respectively from its…
A wire of length $\displaystyle L$ is hanging from a fixed support. The length changes to $\displaystyle L_1$ and $\displaystyle L_2$ when masses $\displaystyle 1$ kg and $\displaystyle 2$ kg are suspended respectively from its free end. Then the value of L is equal to :
Official answer
(3)
$\displaystyle 2 \mathrm{~L}_1-\mathrm{L}_2$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.