Chapter 9 โ Gravitation
Topics Introduction These are some questions which came to Newton when he saw an apple falling from a tree. These […]
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Chapter 2 โ Is Matter Around Us Pure?
Topics Introduction What is Matter? Elements Gold Bar consists of Gold elements Mixtures Lemonade Mixture of Oil and water Compounds
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Chapter 3 โ Atoms and Molecules
Topics Introduction The entire Universe is composed of matter and energy. Energy is the aptitude to perform a work. On
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