SS 3 Physics

Rate of Reaction | Meaning, Methods, Features, Effect, Collision Theory


Definition of Reaction Rate The rate of a chemical reaction is defined as the quantity of reactants converted or products formed per unit time. Typically, it is determined experimentally by measuring the change in concentration of one of the reaction components over time.   Methods of Measuring Reaction Rate Various properties can change with time

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Rockets And Satellites


A rocket or rocket vehicle is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine. A satellite is an object that goes around or orbits a larger object such as a planet. While there are natural satellites like the moon, hundreds of man-made satellites also orbit the earth. In all

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Dams and Energy Production


A dam is a barrier constructed across a stream or river to impound water and raise its level for various purposes such as generating electricity, irrigation and water supply systems, increase river depths for navigational purposes, to control water flow during times of flood and drought, create artificial lakes for fisheries and recreational use. In

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Transmission Systems


Transformer And Power Transmission A transformer is an electrical device for changing the size of an a.c. voltage. It acts to increase or decrease the em.f of an alternating current. It consists of two separate sets of coil, the primary coil and the secondary coil. The primary coil is the input winding of turns of

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Electroplating | Electrolysis, Electrolytes, Non-Electrolytes & Laws of Electrolysis


Electrolysis Definition of Simple Terms Electrolysis This Is the process whereby a liquid conducts electricity by the movement of positive and negative ions within the liquid while undergoing chemical changes. Electrolytes These are liquid, which allows the electricity through them is called electrolytes. Such electricity is salt solutions, alkalis and dilute acids (acidulated water). Non-Electrolytes

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Rockets And Satellites (Basic Electronics)


Satellites And Their Functions The word satellite refers to a body orbiting a larger one. There are natural satellites (e.g the Earth and other planets orbiting the Sun), and artificial satellites such as; Communication Satellites (that transmit telecommunication signals), Global Positioning Satellites (that allow for the identification of locations on the Earth) and Meteorological Satellites

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