Chemistry: Acids, Bases And Salts
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Acids, Bases, And Salts An acid is a substance which, when dissolved in water produces hydrogen …
Physics: Electromagnetic Waves
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Electromagnetic waves (E.M. waves) (A)nature of E.M. waves Electromagnetic waves are members of a family of …
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(A)heat and temperature Heat is a form of energy, called thermal energy that is normally transferred …
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Magnetic field (A) concept of magnetic field Magnetic field is a region around a magnet in …
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Physics: Laser
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LASER Laser is a device that stimulates atoms or molecules to emit light at a particular …