Physics · 2023
JEE Main · 8 April 2023, Shift 1 · Q34
An aluminium rod with Young's modulus Y=7.0 × 10^10 N / m^2 undergoes elastic strain of 0.04 %. The energy per unit volume stored in the rod in SI…
An aluminium rod with Young's modulus $\displaystyle Y=7.0 \times 10^{10} \mathrm{~N} / \mathrm{m}^2$ undergoes elastic strain of $\displaystyle 0.04 \%$. The energy per unit volume stored in the rod in SI unit is:
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 5600$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.