Question

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What is meant by least count (LC)of a measuring instrument?​

Answer 1

Answer:

Hey! :-)

Explanation:

Least count is the lowest limiting value of the measuring instrument. Suppose the least count of a screw gauge is given 0.01 cm , so we can measure length up to minimum 0.01 cm, below that we can't measure the length. 

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Answer 2

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Explanation:

the least count of a measuring instrument is the smallest and accurate value in the measured quantity that can be resolved on the instrument's scale. Any measurement made by the instrument can be considered repeatable to no less than the resolution of the least count.