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2nd Law - It can be stated in many ways, the most popular of which is:It is impossible to obtain a process such that the unique effect is the subtraction of a positive heat from a reservoir and the pr...

1st Law - This is the law of energy conservation. It is stated alternatively in many forms as follows: The work exchanged in an adiabatic process depends only on the initial and the final state a...

Let us consider the beam of light incident on the boundary surface between two substances- glass with refractive index n1and air with refractive index n2.One part of light will reflect from such a bou...

It is the process of generating electric energy from other forms of energy. The electromotive force (EMF) produced around a closed path is proportional to the rate of change ...

Coordinates of a point- A pair of numbers defining the position of a point on a two-dimensional plane. The coordinates are written as an "ordered pair" as shown below. The letter P is...

x2 – ax – b x2 – ax + b x2 + ax + b a positive number inside the square root zero inside the square root a negative number insi...