Transcription of CHAPTER ONE - NCERT
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WHAT IS PHYSICS ?Humans have always been curious about the world aroundthem. The night sky with its bright celestial objects hasfascinated humans since time immemorial. The regularrepetitions of the day and night, the annual cycle of seasons,the eclipses, the tides, the volcanoes, the rainbow have alwaysbeen a source of wonder. The world has an astonishing varietyof materials and a bewildering diversity of life and inquiring and imaginative human mind has respondedto the wonder and awe of nature in different ways.
equilibrium) of particles, rigid and deformable bodies, and general systems of particles. The propulsion of a rocket by a jet of ejecting gases, propagation of water waves or sound waves in air, the equilibrium of a bent rod under a load, etc., are problems of mechanics. Electrodynamics deals with electric and magnetic phenomena
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