A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale.

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 : (1) 1.0 mm (2) 0.01 mm (3) 0.25 mm (4) 0.5 mm

Correct answer is  (4) 0.5 mm ⇒ Pitch = 0.5 mm

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