Chemistry: Electrolysis
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Electrochemical cellsThe set up in which chemical energy is converted to electrical energy is called an Electrochemical …
Physics: Propagation Of Sound Waves
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Propagation of sound waves(A) Source of sound waveSound is a form of wave motion which is conveyed …
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Physics: Refraction Of Light of Waves At Plane Surfaces
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Reflection of light waves(A)nature and sources of lightLight is a wave, it is a visible form of …
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Simple alternating current (A.C.) circuitsMost present day household and industrial power distribution systems operate with alternating current. …
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Physics: Fundamentals Of Motion (Speed, Velocity And Rectilinear Motion)
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Speed and velocity(a)Concept of speed as change of distance with timeSpeed v, is the rate of change …