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AIEEE 2008 Solved Paper

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Question : 39

Total: 104

Two full turns of the circular scale of a screw gauge cover a distance of 1‌mm 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 −0.03‌mm while measuring the diameter of a thin wire, a student notes the main scale reading of 3‌mm and the number of circular scale divisions in line with the main scale as 35 . The diameter of the wire is

3.32 mm
3.73 mm
3.67 mm
3.38 mm

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