Physics · 2023
JEE Main · 31 January 2023, Shift 2 · Q11
For a solid rod, the Young's modulus of elasticity is 3.2 × 10^11 Nm^-2 and density is 8 × 10^3 kg m^-3. The velocity of longitudinal wave in the rod…
For a solid rod, the Young's modulus of elasticity is $\displaystyle 3.2 \times 10^{11} \mathrm{Nm}^{-2}$ and density is $\displaystyle 8 \times 10^3 \mathrm{~kg} \mathrm{~m}^{-3}$. The velocity of longitudinal wave in the rod will be.
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 6.32 \times 10^3 \mathrm{~ms}^{-1}$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.