In a particular system of units, a physical quantity can be expressed in terms of the electric charg
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A person measures the depth of a well by measuring the time interval between dropping a
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A dense collection of equal number of electrons and positive ions is called neutral plasma. Certain
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Sometimes it is convenient to construct a system of units so that all quantities can be expressed
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An object of mass 5 kg is thrown vertically upwards from the ground. The air resistance
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Let us consider a system of units in which mass and angular momentum are dimensionless.
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A student performs an experiment to determine the Young's modulus of a wire, exactly 2 m long,
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In a car race on straight road, car A takes a time 't' less than car B at the finish and passes fini
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