Physics · 2025
JEE Main · 23 January 2025, Shift 2 · Q31
A massless spring gets elongated by amount x_1 under a tension of 5 N. Its elongation is x_2 under the tension of 7 N. For the elongation of (5 x_1-2…
A massless spring gets elongated by amount $\displaystyle x_1$ under a tension of $\displaystyle 5$ N. Its elongation is $\displaystyle x_2$ under the tension of $\displaystyle 7$ N. For the elongation of $\displaystyle \left(5 x_1-2 x_2\right)$, the tension in the spring will be,
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 11$ N
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.