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JEE Advanced 2020 Full Test 2 Paper 1

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Question : 1

Total: 54

The pitch of a screw gauge is 1mm and there are 100 divisions on its circular scale. When nothing is put in between its jaws, the zero of the circular scale lies 4 divisions below the reference line. When a steel wire is placed between the jaws, two main scale divisions are clearly visible and 67 divisions on the circular scale are observed. The diameter of the wire is

2.71mm
2.67mm
2.63mm
2.65mm

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