NEET Physics Screw Gauge MCQ Question
Which of the following statements regarding the use of a screw gauge for measuring the diameter of a wire is correct?
The screw gauge should be calibrated for zero error before taking measurements.
The diameter of the wire can be measured in only one position.
The pitch of the screw gauge is irrelevant for accurate measurements.
The click sound of the rachet indicates the wire is too tightly gripped.
Correct Answer
Detailed Explanation
The screw gauge should indeed be calibrated for zero error to ensure accurate measurements, as stated in the procedure for measuring the diameter of the wire. The other options contain inaccuracies regarding measurement practices.
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