Malus Law
Malus law helps us study of light intensity relation of the polarizer-analyzer. It plays a vital role in understanding the polarization properties of light. History The law was named after …
Area of Quadrilateral
The area of quadrilateral is generally defined as the region occupied inside the boundaries of a quadrilateral or a flat object or figure. The area is measured in square units. …
Chromic Acid
Chromic Acid is the mixture of concentrated sulfuric acid and a dichromate ion, which may contain a variety of compounds. It is also known as Tetraoxochromic acid or Chromic(VI) acid. …
Surface Energy
Surface energy measures the disruption of intermolecular bonds that occur when a surface is created. It also goes by the name surface free energy or interfacial free energy. It can …
Red Phosphorus
Red phosphorus is one of the allotropes of phosphorus. It is a derivative of the P4 molecule. Its name comes from its deep red colour and powdery texture. It was …
Hydrosulfuric Acid
Hydrosulfuric acid, also known as hydrogen sulfide or sulfane is a chemical compound. Its chemical formula is H2S. It exists in the form of a colourless gas and has a …
Fisheye Lens
A fisheye lens is an ultra-wide-angle lens designed for shooting wide angles, usually 180°. Fisheye lenses use a special mapping, instead of producing an image with straight lines of perspective. …
Two-Stroke Engine
A two-stroke engine is a type of internal combustion engine. It completes a power cycle with two strokes of the piston during only one crankshaft revolution. History It was Dugald …
Ohm’s Law
Ohm’s Law is an empiric relation, accurately describing the conductivity of a material. It defines the relationship between the electric current passing through a circuit and the potential difference between …
Eyring Equation
The Eyring Equation which is also known as Eyring–Polanyi equation is an equation used in chemical kinetics to describe changes in the rate of a chemical reaction against temperature. The equation …