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Units and Measurements question

2008 · Shift 0 · Q86
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Units and Measurements question

2008 · Shift 0 · Q86

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
Two full turns of the circular scale of a screw gauge cover a distance of 1 mm on its main scale. The total number of divisions on the circular scale is 50. Further, it is found that the screw gauge has a zero error of − 0.03 mm while measuring the diameter of a thin wire, a student notes the main scale reading of 3 mm and the number of circular scale divisions in line with the main scale as 35. The diameter of the wire is
  1. A
    3.32 mm
  2. B
    3.73 mm
  3. C
    3.67 mm
  4. D
    3.38 mm
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