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Question

What is the least count of a meter rule?


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Solution

Determine the least Count.

Least Count:

Every measurement instrument's least count is the smallest value that it can measure. This least count is also known as the mistake associated with the instrument's resolution.

Least count formula:

We apply the formula below to obtain the lowest count.

The least count =Division's magnitude divided by the number of divisions required to achieve that magnitude Meter Scale's lowest count

Considering the magnitude of 1cm in the case of a meter scale. The total number of divisions reached is10.

So, the formula for calculating the least count is as follows:

1cm10=0.1cmOR1mm

Hence, the least count on the meter scale is 0.1cm or 1mm.


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