A screw gauge has pitch 0.5 mm and 50 circular divisions. Its least count is:

  1. 0.01 mm
  2. 0.1 mm
  3. 0.5 mm
  4. 0.001 mm
Answer

A) 0.01 mm

Least count = 0.550 = 0.01 mm. SLO P-11-A-05 · Application

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