Screw Gauge Pitch Calculation – Rankers Physics
Topic: Unit And Dimensions
Subtopic: Screw Gauge

Screw Gauge Pitch Calculation

A screw gauge has least count of \(0.01 \text{mm}\) and there are \(50 \text{divisions}\) in its circular scale. The pitch of the screw gauge is:

[NEET 2020]

\(0.25 \text{mm}\)
\(0.5 \text{mm}\)
\(1.0 \text{mm}\)
\(0.01 \text{mm}\)

Solution:

Least Count (LC) = \(0.01 \text{mm}\), Number of divisions on circular scale = \(50\). The formula for LC is: LC = Pitch / Number of divisions. Therefore, Pitch = LC \(\times\) Number of divisions = \(0.01 \text{mm} \times 50 = 0.5 \text{mm}\).

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