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Explain least count and least count error. Write a note on least count error.

Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :The smallest value that can be measured by the measuring instrument is called its least <a href="https://interviewquestions.tuteehub.com/tag/count-936718" style="font-weight:bold;" target="_blank" title="Click to know more about COUNT">COUNT</a>. <br/> All the readings or measured values are good only up to this value.<br/>Error associated with resolution of the instrument is called least count error. <br/> Least count of vernier is 0.01 cm and least count of spherometer is 0.001 cm. <br/> Least count error belong to category of random error but within a limited size. <br/> It <a href="https://interviewquestions.tuteehub.com/tag/occur-583012" style="font-weight:bold;" target="_blank" title="Click to know more about OCCUR">OCCUR</a> with both systematic and random error. <br/> Least count of meter scale is 1 mm. <br/> Using instrument of <a href="https://interviewquestions.tuteehub.com/tag/higher-1022060" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHER">HIGHER</a> precision, improving experimental technique we can reduce least count error. <br/> Repeating the observation several times and taking arithmetic mean of all observation the mean value would be very close to the true value of the measured <a href="https://interviewquestions.tuteehub.com/tag/quantity-1174212" style="font-weight:bold;" target="_blank" title="Click to know more about QUANTITY">QUANTITY</a>.</body></html>


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