If the circular scale reading of screw gauge is above 50....then we will take that value only or subtract it by 50??

If the circular scale reading of screw gauge is above 50....then we wi

1.	If the circular scale reading of screw gauge is above 50....then we will take that value only or subtract it by 50??
Answer» 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 down 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

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If the circular scale reading of screw gauge is above 50....then we will take that value only or subtract it by 50??

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