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JEE Main Physics Class 11 Physical world and Measurements Part 2 Questions

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Question : 2

Total: 100

There are 100 divisions on the circular scale of a screw gauge of pitch 1‌mm. With no measuring quantity in between the jaws, the zero of the circular scale lies 5 divisions below the reference line. The diameter of a wire is then measured using this screw gauge. It is found the 4 linear scale divisions are clearly visible while 60 divisions on circular scale coincide with the reference line. The diameter of the wire is :

[8 Apr 2024 Shift 2]

4.65‌mm
4.55‌mm
4.60‌mm
3.35‌mm

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