Physics-Screw Gauge

NEET Physics Screw Gauge MCQ Question

Type: MCQ-conceptual-Easy-Class 12

Which of the following statements about the screw gauge is correct?

A

The least count is determined by dividing the pitch by the number of divisions on the circular scale.

B

A screw gauge can measure only the diameter of circular objects.

C

The circular scale reading is irrelevant to the measurement process in a screw gauge.

D

Screw gauge measurements are accurate only if the instrument is not calibrated.

Correct Answer

Option A

Detailed Explanation

The correct statement is that the least count of a screw gauge is calculated as the pitch divided by the number of divisions on the circular scale, which is essential for precise measurements.

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