Physics · 2026
JEE Main · 4 April 2026, Shift 1 · Q26
In a screw gauge when the circular scale is given five complete rotations it moves linearly by 2.5 mm. If the circular scale has 100 divisions, the…
In a screw gauge when the circular scale is given five complete rotations it moves linearly by $\displaystyle 2.5$ mm . If the circular scale has $\displaystyle 100$ divisions, the least count of screw gauge is $\displaystyle \_\_\_\_$ mm.
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 5 \times 10^{-3}$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.