Physics · 2021
JEE Main · 4 August 2021, Shift 2 · Q11
The tension in a string is increased by 44 %. If its frequency of vibration is to remain unchanged, its length must be increased by
The tension in a string is increased by $\displaystyle 44 \%$. If its frequency of vibration is to remain unchanged, its length must be increased by
Official answer
(2)
$\displaystyle 20$%
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.