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Radiant Flux Formula

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Radiant Flux is emitted within the small wavelength range of a spectral line. Check FAQs
dΦ=Ir⋅dω
dΦ - Radiant Flux?Ir - Radiant Intensity?dω - Solid Angle for Radiance?

Radiant Flux Example

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With units
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Here is how the Radiant Flux equation looks like with Values.

Here is how the Radiant Flux equation looks like with Units.

Here is how the Radiant Flux equation looks like.

0.0204Edit=1.2Edit⋅0.017Edit
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HomeIcon Home » Category Chemistry » Category Spectrochemistry » fx Radiant Flux

Radiant Flux Solution

Follow our step by step solution on how to calculate Radiant Flux?

FIRST Step Consider the formula
dΦ=Ir⋅dω
Next Step Substitute values of Variables
∴ dΦ=1.2W/sr⋅0.017rad
Next Step Prepare to Evaluate
∴ dΦ=1.2⋅0.017
Next Step Evaluate
∴dΦ=2.04E-09W
LAST Step Convert to Output's Unit
∴dΦ=0.0204erg/s

Radiant Flux Formula Elements

Variables
Radiant Flux
Radiant Flux is emitted within the small wavelength range of a spectral line.
Symbol: dΦ
Measurement: PowerUnit: erg/s
Note: Value can be positive or negative.
Formulas to find Radiant FluxOpen Variable
Radiant Intensity
Radiant Intensity is the radiant flux emitted, reflected, transmitted or received, per unit solid angle.
Symbol: Ir
Measurement: Radiant IntensityUnit: W/sr
Note: Value can be positive or negative.
Formulas to find Radiant IntensityOpen Variable
Solid Angle for Radiance
Solid Angle for Radiance is a measure of the amount of the field of view from some particular point that a given object covers.
Symbol: dω
Measurement: AngleUnit: rad
Note: Value can be positive or negative.
Formulas to find Solid Angle for RadianceOpen Variable

Credits

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Created by Sangita Kalita LinkedIn Logo
National Institute of Technology, Manipur (NIT Manipur), Imphal, Manipur
Sangita Kalita has created this Formula and 50+ more formulas!
Verifier Image
Verified by Soupayan banerjee LinkedIn Logo
National University of Judicial Science (NUJS), Kolkata
Soupayan banerjee has verified this Formula and 900+ more formulas!

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How to Evaluate Radiant Flux?

Radiant Flux evaluator uses Radiant Flux = Radiant Intensity*Solid Angle for Radiance to evaluate the Radiant Flux, The Radiant Flux formula is defined as flux emitted within the small wavelength range of a spectral line, determined experimentally either accurately by integration over the line profile, or approximately by measuring the peak value. Radiant Flux is denoted by dΦ symbol.

How to evaluate Radiant Flux using this online evaluator? To use this online evaluator for Radiant Flux, enter Radiant Intensity (Ir) & Solid Angle for Radiance (dω) and hit the calculate button.

FAQs on Radiant Flux

What is the formula to find Radiant Flux?
The formula of Radiant Flux is expressed as Radiant Flux = Radiant Intensity*Solid Angle for Radiance. Here is an example- 204000 = 1.2*0.017.
How to calculate Radiant Flux?
With Radiant Intensity (Ir) & Solid Angle for Radiance (dω) we can find Radiant Flux using the formula - Radiant Flux = Radiant Intensity*Solid Angle for Radiance.
Can the Radiant Flux be negative?
Yes, the Radiant Flux, measured in Power can be negative.
Which unit is used to measure Radiant Flux?
Radiant Flux is usually measured using the Erg per Second[erg/s] for Power. Watt[erg/s], Kilowatt[erg/s], Milliwatt[erg/s] are the few other units in which Radiant Flux can be measured.
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