You are given a thread and …
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Preeti Dabral 2 years, 11 months ago
The diameter of a thread is so small that it cannot be measured using a metre scale. We wind a number of turns of the thread on the meter scale so that the turns are closely touching one another.
Measure the length ({tex}l{/tex}) of the winding on the scale which contains n number of turns. The diameter of thread = {tex}\frac{l}{n}{/tex}
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