NEET Physics Screw Gauge MCQ Question
A screw gauge consists of a linear scale and a circular scale. If the pitch of the screw is 1 mm and there are 100 divisions on the circular scale, what is the least count of this screw gauge?
0.01 mm
0.1 mm
0.001 mm
1 mm
Correct Answer
Detailed Explanation
The least count of a screw gauge is calculated by dividing the pitch by the number of divisions on the circular scale. Therefore, with a pitch of 1 mm and 100 divisions, the least count is 1 mm/100 = 0.01 mm.
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