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HEAT TEMPERATURE 1. It is a form of energy and measures the total energy of all molecules in the substance. ... -
For the determination of the value of universal gravitation constant G, it is necessary to measure the force of attraction between two bo... -
1. Scaler and Vectors All physical quantities can be divided into two categories: Scaler and vectors. SCALERS: Physical quantities whic... -
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We can measure electric charge on a charged body with the help of a simple apparatus called electroscope. There are two types of electrosc... -
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Bring a body under test near the disc of an uncharged electroscope. If the leaves remain parallel the body is neutral. The leaves will be ... -
Every matter is composed of a large number of small particles (Atomic hypothesis). It is easy to Think that if two charged bodies attract ... -
When two wires of different metals are joined to make a loop and the junction are kept at different temperatures, a potential difference de... -
Physical quantities may be variable and constants. They may have dimension or could be dimensionless. i) DIMENSIONAL VARI... -
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Take a metal rod (A. conductor) AB mounted on an insulating stand as shown in figure 32.3. Bring a positively charged rod towards one end...
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