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What is Class 9 Physics: Quantities & Measurement about?

This document provides information about physical quantities and measurement in Class 9 Physics. It discusses [1] base and derived physical quantities, with examples of each, [2] base and derived units, [3] prefixes used for units, and [4] instruments for measurement including Vernier callipers, screw gauges, physical balances, and stopwatches. It also covers concepts like least count, zero error, and significant figures. Sample questions are provided at the end to test understanding of these core physics c

Author

Wahaj Rehan

Language

EN