Chemistry: Electrolysis
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Electrochemical cells The set up in which chemical energy is converted to electrical energy is called …
Physics: Propagation Of Sound Waves
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Propagation of sound waves (A) Source of sound wave Sound is a form of wave motion …
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Reflection of light waves (A)nature and sources of light Light is a wave, it is a …
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Simple alternating current (A.C.) circuits Most present day household and industrial power distribution systems operate with …
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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 time Speed v, is the …