Physics

Entropy is a measure of disorderliness The thermal property that remains constant in an adiabatic process is called entropy. Alternately, entropy is the physical property…

Significance of Entropy The thermal property that remains constant in an adiabatic process is called entropy. Alternately, entropy is the physical property of the body…

Entropy is a measure of the disorder or randomness of a system. A campfire is an example of entropy. Scientist Clausius realized while applying second…

Efficiency of Engine Before discussing the efficiency of an engine we need to know what are heat engine and its working principle. The machine by…

Co-efficient of Performance of a refrigerator The ratio of heat removed from the refrigerator and the mechanical work done is called co-efficient of performance. It is…

Refrigerator: Heat Engine Almost in every house, we use the refrigerator for cooling of fish, meat, drinking water, ice cream etc and for preservation purpose.…

Principle of heat engine A heat engine is a device that converts heat to work. It takes heat from a reservoir then does some work…

Four Steps in Carnot’s Engine The Working of a Carnot’s cycle and work was done by it can be expressed in a curve. It is called…

Carrot’s cycle is reversible The cycle in which an ideal gas used as a working substance starts at constant volume, pressure, and temperature passes through…

Carnot’s cycle Before discussing Carnot cycle we should have some idea about Carnot’s engine. Sadi Carnot (1832), a French scientist planned an engine which is…