Physics-Screw Gauge
NEET Physics Screw Gauge MCQ Question
Type: MCQ-numerical-Hard-Class 12
A screw gauge has a pitch of 0.5 mm and 50 divisions on the circular scale. If the zero error is +0.02 mm, what is the corrected mean diameter when the measured mean diameter of a wire is 2.54 mm?
A
52 mm
B
56 mm
C
54 mm
D
50 mm
Correct Answer
Option A
Detailed Explanation
The corrected mean diameter is calculated by subtracting the zero error from the measured mean diameter: 2.54 mm - 0.02 mm = 2.52 mm.
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