NEET Physics Screw Gauge MCQ Question
Which of the following statements about the screw gauge is correct?
The least count of a screw gauge is determined by dividing the pitch by the number of divisions on the circular scale.
The circular scale reading is always higher than the linear scale reading in a screw gauge.
A screw gauge cannot measure the diameter of non-circular objects accurately.
The pitch of a screw gauge is the maximum distance it can measure in one complete rotation.
Correct Answer
Detailed Explanation
The least count of a screw gauge is indeed calculated by dividing the pitch by the number of divisions on the circular scale, as stated in the NCERT context. The other options reflect misconceptions about how screw gauges operate.
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