1.

Least Count of a metre scale is..........................

Answer»

Answer:

0.2 mm

The least count error is the error associated with the RESOLUTION of the instrument. If we use a metre scale for MEASUREMENT of length, it MAY have graduations at 1 mmdivision scale SPACING or interval. A Vernier scale on CALIPER may have a least count of 0.2 mm while a micrometer may have a least count of 0.01 mm.



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