Chemistry: Acids, Bases And Salts
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Acids, Bases, And SaltsAn acid is a substance which, when dissolved in water produces hydrogen ions, H+ …
Physics: Electromagnetic Waves
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Electromagnetic waves (E.M. waves)(A)nature of E.M. wavesElectromagnetic waves are members of a family of waves which are …
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(A)heat and temperatureHeat is a form of energy, called thermal energy that is normally transferred from one …
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Magnetic field(A) concept of magnetic fieldMagnetic field is a region around a magnet in which the influence …
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Physics: Laser
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LASERLaser is a device that stimulates atoms or molecules to emit light at a particular wavelength and …