NEET Physics Screw Gauge MCQ Question
A screw gauge is used to measure the diameter of a wire. The linear scale reading (M) is 5 mm and the circular scale reading (n) is 15 divisions. If the least count (L.C.) of the screw gauge is 0.01 mm, what is the measured diameter of the wire?
5.15 mm
5.05 mm
5.01 mm
5.10 mm
Correct Answer
Detailed Explanation
The measured diameter is calculated using the formula: Diameter = M + n × L.C. Thus, 5 mm + 15 × 0.01 mm = 5.15 mm.
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