Physics · 2026
JEE Main · 23 January 2026, Shift 1 · Q26
Four persons measure the length of a rod as 20.00 cm, 19.75 cm, 17.01 cm and 18.25 cm. The relative error in the measurement of average length of the…
Four persons measure the length of a rod as $\displaystyle 20.00 \mathrm{~cm}, 19.75 \mathrm{~cm}, 17.01 \mathrm{~cm}$ and $\displaystyle 18.25$ cm . The relative error in the measurement of average length of the rod is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 0.06$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.