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Motion - class 9 Notes, formulae, and Numericals

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 Motion – Class 9 Notes, Formulae, and Numericals PDF Download Chapter: Motion Class: 9 Science Target: CBSE Board Exams | NTSE | Olympiads | foundation Introduction to Motion As we know our world is always moving — cars speeding, fans spinning, water falling. The scientific study of how things move is called Motion. This chapter helps us understand the types, causes, and equations of motion with real-life examples and graphical analysis. Important Keywords: Motion concept and Definition Types of Motion with Examples Reference Point Distance  Displacement Speed  Velocity Acceleration Graphical Representation of Motion Equation of Motion by Graphical method Uniform Circular Motion (UCM) CBSE Class 9 Physics Numericals Motion concept and Definition An object is said to be in motion if it changes its position with time relative to a reference point . Examples:                               ...

Light - Reflection and Refraction – Class 10 Notes, Formulae, and Numericals

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  Light - Reflection and Refraction Part-1 – Class 10 Notes, Formulae, and Numericals Chapter: Light – Reflection and Refraction (Part 1: Reflection of Light) Class: 10 Science Target: CBSE Board Exams | NTSE | Olympiads Introduction to Reflection of Light Reflection of light is a very important concept not only in Class 10 Board Exams but also in real life. Whenever light hits a shiny or polished surface and bounces back, this phenomenon is called reflection . Important Keywords: Reflection of Light Laws of Reflection Mirror Formula Ray Diagrams Class 10 Science Chapter 10 CBSE Class 10 Physics Numericals Definition of Reflection of Light When light rays strike a smooth surface like a mirror and bounce back in the same medium, the phenomenon is known as Reflection of Light . Types of Reflection Regular Reflection : From a smooth surface, like a plane mirror. Diffuse Reflection : From a rough surface, scattering light in all directions. Laws of Reflection ...