How to Calculate Essen and Froome Formula for Group Refractive Index?
Essen and Froome Formula for Group Refractive Index calculator uses Group Refractive Index = 1+(77.624*Barometric Pressure*10^-6/(273.15+Temperature in Celsius))+((0.372/(273.15+Temperature in Celsius)^2)-(12.92*10^-6/(273.15+Temperature in Celsius)))*Partial Pressure of Water Vapour to calculate the Group Refractive Index, The Essen and Froome Formula for Group Refractive Index formula is defined as the refractive index value for microwaves. Here the temperature is represented in degrees Celsius or can directly substitute in kelvin. Group Refractive Index is denoted by n symbol.
How to calculate Essen and Froome Formula for Group Refractive Index using this online calculator? To use this online calculator for Essen and Froome Formula for Group Refractive Index, enter Barometric Pressure (Pb), Temperature in Celsius (t) & Partial Pressure of Water Vapour (e) and hit the calculate button. Here is how the Essen and Froome Formula for Group Refractive Index calculation can be explained with given input values -> 1.269616 = 1+(77.624*6921.213*10^-6/(273.15+98))+((0.372/(273.15+98)^2)-(12.92*10^-6/(273.15+98)))*100600.