he Stark–Einstein law is named after German-born physicists Johannes Stark and Albert Einstein, who independently formulated the law between 1908 and 1913.
Richter magnitude scale
assigns a magnitude number to quantify the energy released by an earthquake. The Richter scale is a base-10 logarithmic scale, which defines magnitude as
The Biot number (Bi) is a dimensionless quantity used in heat transfer calculations. Gives a simple index of the ratio of the heat transfer resistances
In information theory, the Shannon–Hartley theorem tells the maximum rate at which information can be transmitted over a communications channel of a
Planck temperature, denoted by TP, is the unit of temperature in the system of natural units known as Planck units.
It serves as the
Optimum conical horn antenna
A horn antenna or microwave horn is an antenna that consists of a flaring metal waveguide shaped like a horn to direct radio waves in a beam. Horns are