Physics · 2026
JEE Main · 23 January 2026, Shift 2 · Q48
The velocity of sound in air is doubled when the temperature is raised from 0 °C to α^° C. The value of α is ____.
The velocity of sound in air is doubled when the temperature is raised from $\displaystyle 0$ °C to $\displaystyle \alpha^{\circ} \mathrm{C}$. The value of $\displaystyle \alpha$ is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
819
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.