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IUCG Formula for Refractive Index Formula

GoGroup Refractive Index if Temperature and Humidity are different from Standard Values Formula

GoEssen and Froome Formula for Group Refractive Index Formula

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Group Refractive Index is the he ratio of the vacuum velocity of light to the group velocity in a medium. Check FAQs

n = 1 + (0.000077624 \cdot \frac{P b}{273.15 + t}) - (((\frac{12.924}{273.15 + t}) + (\frac{371900}{{(273.15 + t)}^{2}})) \cdot 10^{- 6} \cdot e)

n - Group Refractive Index?P_b - Barometric Pressure?t - Temperature in Celsius?e - Partial Pressure of Water Vapour?

IUCG Formula for Refractive Index Example

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Here is how the IUCG Formula for Refractive Index equation looks like with Values.

Here is how the IUCG Formula for Refractive Index equation looks like with Units.

Here is how the IUCG Formula for Refractive Index equation looks like.

0.9987 = 1 + (0.000077624 \cdot \frac{6921.213}{273.15 + 98}) - (((\frac{12.924}{273.15 + 98}) + (\frac{371900}{{(273.15 + 98)}^{2}})) \cdot 10^{- 6} \cdot 1006)

0.9987 = 1 + (0.000077624 \cdot \frac{6921.213}{273.15 + 98}) - (((\frac{12.924}{273.15 + 98}) + (\frac{371900}{{(273.15 + 98)}^{2}})) \cdot 10^{- 6} \cdot 1006mbar)

0.9987 = 1 + (0.000077624 \cdot \frac{6921.213}{273.15 + 98}) - (((\frac{12.924}{273.15 + 98}) + (\frac{371900}{{(273.15 + 98)}^{2}})) \cdot 10^{- 6} \cdot 1006)

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IUCG Formula for Refractive Index Solution

Follow our step by step solution on how to calculate IUCG Formula for Refractive Index?

FIRST Step Consider the formula

n = 1 + (0.000077624 \cdot \frac{P b}{273.15 + t}) - (((\frac{12.924}{273.15 + t}) + (\frac{371900}{{(273.15 + t)}^{2}})) \cdot 10^{- 6} \cdot e)

Next Step Substitute values of Variables

∴

n = 1 + (0.000077624 \cdot \frac{6921.213}{273.15 + 98}) - (((\frac{12.924}{273.15 + 98}) + (\frac{371900}{{(273.15 + 98)}^{2}})) \cdot 10^{- 6} \cdot 1006mbar)

Next Step Prepare to Evaluate

∴

n = 1 + (0.000077624 \cdot \frac{6921.213}{273.15 + 98}) - (((\frac{12.924}{273.15 + 98}) + (\frac{371900}{{(273.15 + 98)}^{2}})) \cdot 10^{- 6} \cdot 1006)

Next Step Evaluate

∴

n = 0.998696531922686

LAST Step Rounding Answer

∴

n = 0.9987

IUCG Formula for Refractive Index Formula Elements

Variables

Group Refractive Index

Group Refractive Index is the he ratio of the vacuum velocity of light to the group velocity in a medium.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Group Refractive Index

Barometric Pressure

Barometric Pressure is the pressure on earth that is caused by the weight of the air above us. It is sometimes the atmospheric pressure. It should be entered in millibar.

Symbol: P_b

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Barometric Pressure

Temperature in Celsius

Temperature in Celsius is the degree of coolness or hotness of any substance. It should be entered in degree celsius.

Symbol: t

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Temperature in Celsius

Partial Pressure of Water Vapour

Partial pressure of water vapour is the vapour pressure in any gas mixture in equilibrium with solid or liquid water.

Symbol: e

Measurement: PressureUnit: mbar

Note: Value should be greater than 0.

Formulas to find Partial Pressure of Water Vapour

Other Formulas to find Group Refractive Index

Go Group Refractive Index if Temperature and Humidity are different from Standard Values

n = 1 + (\frac{0.269578 \cdot (n 0 - 1) \cdot P b}{273.15 + t}) - ((\frac{11.27}{273.15 + t}) \cdot 10^{- 6} \cdot e)

Go Essen and Froome Formula for Group Refractive Index

n = 1 + (77.624 \cdot P b \cdot \frac{10^{- 6}}{273.15 + t}) + ((\frac{0.372}{{(273.15 + t)}^{2}}) - (12.92 \cdot \frac{10^{- 6}}{273.15 + t})) \cdot e

Other formulas in EDM Corrections category

Go Wave Velocity in Medium

V = \frac{V 0}{RI}

Go Wave Velocity in Vacuum

V 0 = V \cdot RI

Go Group Refractive Index at Standard Conditions

n 0 = 1 + (287.604 + (\frac{4.8864}{λ^{2}}) + (\frac{0.068}{λ^{4}})) \cdot 10^{- 6}

Go Barometric Pressure given Group Refractive Index

P b = ((n - 1) + ((\frac{11.27 \cdot 10^{- 6} \cdot e}{273.15 + t}))) \cdot (\frac{273.15 + t}{0.269578 \cdot (n 0 - 1)})

How to Evaluate IUCG Formula for Refractive Index?

IUCG Formula for Refractive Index evaluator uses Group Refractive Index = 1+(0.000077624*Barometric Pressure/(273.15+Temperature in Celsius))-(((12.924/(273.15+Temperature in Celsius))+(371900/(273.15+Temperature in Celsius)^2))*10^-6*Partial Pressure of Water Vapour) to evaluate the Group Refractive Index, The IUCG Formula for Refractive Index Formula is defined as to determine the group refractive index for microwaves. Group Refractive Index is denoted by n symbol.

How to evaluate IUCG Formula for Refractive Index using this online evaluator? To use this online evaluator for IUCG Formula for Refractive Index, enter Barometric Pressure (P_b), Temperature in Celsius (t) & Partial Pressure of Water Vapour (e) and hit the calculate button.

FAQs on IUCG Formula for Refractive Index

What is the formula to find IUCG Formula for Refractive Index?

The formula of IUCG Formula for Refractive Index is expressed as Group Refractive Index = 1+(0.000077624*Barometric Pressure/(273.15+Temperature in Celsius))-(((12.924/(273.15+Temperature in Celsius))+(371900/(273.15+Temperature in Celsius)^2))*10^-6*Partial Pressure of Water Vapour). Here is an example- 0.998697 = 1+(0.000077624*6921.213/(273.15+98))-(((12.924/(273.15+98))+(371900/(273.15+98)^2))*10^-6*100600).

How to calculate IUCG Formula for Refractive Index?

With Barometric Pressure (P_b), Temperature in Celsius (t) & Partial Pressure of Water Vapour (e) we can find IUCG Formula for Refractive Index using the formula - Group Refractive Index = 1+(0.000077624*Barometric Pressure/(273.15+Temperature in Celsius))-(((12.924/(273.15+Temperature in Celsius))+(371900/(273.15+Temperature in Celsius)^2))*10^-6*Partial Pressure of Water Vapour).

What are the other ways to Calculate Group Refractive Index?

Here are the different ways to Calculate Group Refractive Index-

Group Refractive Index=1+((0.269578*(Group Refractive Index for Standard Condition-1)*Barometric Pressure)/(273.15+Temperature in Celsius))-((11.27/(273.15+Temperature in Celsius))*10^-6*Partial Pressure of Water Vapour)
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

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: Value
: Unit

IUCG Formula for Refractive Index Formula

​GoGroup Refractive Index if Temperature and Humidity are different from Standard Values Formula

​GoEssen and Froome Formula for Group Refractive Index Formula

IUCG Formula for Refractive Index Example

IUCG Formula for Refractive Index Solution

IUCG Formula for Refractive Index Formula Elements

Other Formulas to find Group Refractive Index

Other formulas in EDM Corrections category

How to Evaluate IUCG Formula for Refractive Index?

FAQs on IUCG Formula for Refractive Index

Variable Name

GoGroup Refractive Index if Temperature and Humidity are different from Standard Values Formula

GoEssen and Froome Formula for Group Refractive Index Formula