Measurement of Heat Energy Heat is a form of energy called thermal energy that flows due to temperature difference. It […]
Category: Physics
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Molecular Explanation of Temperature
Molecular Explanation of Temperature According to the molecular theory solids vibrate about their mean position, when heat is applied to […]
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Temperature Scales
Temperature Scales Celsius scale:The lower and upper fixed points are 00C and 1000C. The fundamental interval is divided into 100 […]
Types of Thermometer The liquid-in-glass thermometer The liquid-in-glass thermometer uses liquid(mercury) as thermometric substance. In which the change in volume of the liquid […]
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Temperature and Thermometer
Definition of Temperature Temperature is a measure of the degree of hotness or coldness of a body. It is measured […]
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Wheel and Axle, and Gear
Wheel and Axle Definition of Wheel and Axle A wheel and axle is really two machines in one because it […]
An inclined plane is a sloping surface used for pulling or pushing a load up, rather than lifting them vertically. […]
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Lever and Pulley
Lever In a lever the relative positions of Force(F), Effort(e) and Load(L) may vary and this leads to different types […]
Definition of Machine and Simple Machine An arrangement by which work can be done conveniently on a load or against […]
In a closed system of colliding bodies, the total momentum after the collision is equal to the total momentum before […]