PhysicsMeasurements and unitsWAEC
A micrometer screw gauge has a pitch of 0.5 mm and 50 divisions on the thimble. Its least count is
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Answer: D. 0.01 mm
0.5 ÷ 50 = 0.01 mm.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.