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Info@therightmentor.comSTUDY MATERIALSTRUCTURE OF ATOM | SPEED NOTES | CBSE | SCIENCE | CLASS 9Chapter 4- Structure of Atom Summary ofStructure of Atom Ø Ø Atom is the smallest particle of an element. It has two parts: nucleus...
Info@therightmentor.comSTUDY MATERIALSOUND | SPEED NOTES | CBSE | SCIENCE | CLASS 9Chapter 12- Sound Introduction You have learnt that sound is a form of energy. It is produced by vibrations. Sound waves are...
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