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  4. A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is:

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Q. A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale.
The pitch of the screw gauge is:

NEETNEET 2020Physical World, Units and Measurements

Solution:

L.C. $=\frac{\text{Pitch}}{\text{Number of division on circular scale}}$
$\Rightarrow 0.01\,mm=\frac{\text{pitch}}{50}$
$\Rightarrow $ pitch $=0.5\,mm$