Class 9 Physics Unit 1: Physical Quantities, Measurement Techniques & SI Units

by | Feb 4, 2025 | 9th Notes 2025, 9th Physics 2025

This document covers essential concepts from Unit 01: Physical Quantities and Measurement, including the classification of physical quantities, SI units, scalar and vector quantities, and scientific notation. It also explains measurement techniques using lab instruments, estimation methods, and error analysis. These learning outcomes (SLOs) are crucial for building a strong foundation in physics, helping students understand precision, accuracy, and calculation techniques effectively.




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