NEET Physics Screw Gauge MCQ Question
In the diagram shown above of a screw gauge, if the linear scale reading is 5 mm and the circular scale reading is 48, with the least count of the screw gauge being 0.01 mm, what is the measured thickness of the sheet?
5.48 mm
5.48 cm
5.480 mm
54.8 mm
Correct Answer
Detailed Explanation
The thickness is calculated using the formula M + n × L.C., where M is the linear scale reading (5 mm), n is the circular scale reading (48), and L.C. is the least count (0.01 mm). Thus, the thickness is 5 + 48 × 0.01 = 5.48 mm.
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