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You are given a thread and …

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You are given a thread and a metre scale how will you estimate the diameter of the thread
  • 1 answers

Preeti Dabral 1 year, 10 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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