Must-Know Physics Concept for NEET 2026 | Screw Gauge & Least Count Explained by GG Sir!

Описание: GG Sir explains the working of a screw gauge, a very important topic for NEET 2026 along with vernier caliper. You will learn how the screw moves one millimeter in a full rotation, what we mean by pitch, and how to calculate the least count using pitch divided by number of circular scale divisions. With a simple example, Sir shows why the least count of this screw gauge is 0.01 mm and how such accurate measurement helps in physics problems.
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