Errors in measurementMedium
Question
In an experiment, a set of reading are obtained $- 1.24\text{ }mm,1.25\text{ }mm,1.23\text{ }mm,1.21\text{ }mm$. The expected least count of the instrument used in recording these readings is $\_\_\_\_$ mm .
Options
A.0.01
B.0.001
C.0.1
D.0.05
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