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Units and Measurements question

2019 · 12 Jan · Shift 1 · Q48
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Units and Measurements question

2019 · 12 Jan · Shift 1 · Q48

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its circular scale required to measure 5 μ\muμ m diameter of a wire is :
  1. A
    500
  2. B
    100
  3. C
    200
  4. D
    50
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