9th physics chapter 1 video lectures

Physics Chapter 1 Topics

• 1.1 Introduction to physics
• 1.2 Physical Quantities
• 1.3 International System of Units
• 1.4 Prefixes
• 1.5 Scientific Notations
• 1.6 Measuring Instruments
• 1.7 Significant Figures
• Examples
• Exercise
• Numericals
• Numerical