Units and Measurements Part 2

Section: Physics
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Question : 2 of 114
 
Marks: +1, -0
In an experiment, a set of reading are obtained as follows −1.24mm,1.25mm,1.23mm,1.21mm. The expected least count of the instrument used in recording these readings is ____ mm.
[28 Jan 2026 Shift 2]
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