NEET Physics Screw Gauge MCQ Question
What should be done to avoid undue pressure on the wire while using a screw gauge?
Utilize the rachet arrangement.
Rotate the screw in both directions.
Grip the wire tightly with hands.
Measure diameter only once.
Correct Answer
Detailed Explanation
The rachet arrangement in the screw gauge must be utilized to avoid undue pressure on the wire, which may change its diameter, as stated in the precautions section.
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