Physics-Screw Gauge

NEET Physics Screw Gauge MCQ Question

Type: MCQ-fact-Easy-Class 12

What is the least count of a screw gauge with a pitch of 1 mm and 100 divisions on the circular scale?

A

0.01 mm

B

0.1 mm

C

1 mm

D

0.001 mm

Correct Answer

Option A

Detailed Explanation

The least count is calculated as the pitch divided by the number of divisions on the circular scale. For a pitch of 1 mm and 100 divisions, the least count is 1 mm / 100 = 0.01 mm.

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