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Reflection Factor Formula

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Reflection Factor is the ratio of the total amount of radiation, as of light, reflected by surface to total amount of radiation incident on surface. Check FAQs

ρ = \frac{Φ r}{Φ i}

ρ - Reflection Factor?Φ_r - Reflected Luminous Flux?Φ_i - Incident Luminous Flux?

Reflection Factor Example

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Here is how the Reflection Factor equation looks like with Values.

Here is how the Reflection Factor equation looks like with Units.

Here is how the Reflection Factor equation looks like.

2.2174 = \frac{5.1}{2.3}

2.2174 = \frac{5.1lm}{2.3lm}

2.2174 = \frac{5.1}{2.3}

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Reflection Factor Solution

Follow our step by step solution on how to calculate Reflection Factor?

FIRST Step Consider the formula

ρ = \frac{Φ r}{Φ i}

Next Step Substitute values of Variables

∴

ρ = \frac{5.1lm}{2.3lm}

Next Step Prepare to Evaluate

∴

ρ = \frac{5.1}{2.3}

Next Step Evaluate

∴

ρ = 2.21739130434783

LAST Step Rounding Answer

∴

ρ = 2.2174

Reflection Factor Formula Elements

Variables

Reflection Factor

Reflection Factor is the ratio of the total amount of radiation, as of light, reflected by surface to total amount of radiation incident on surface.

Symbol: ρ

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reflection Factor

Reflected Luminous Flux

Reflected Luminous Flux is defined as is a measure of the power of reflected visible light produced by a light source or light fitting.

Symbol: Φ_r

Measurement: Luminous FluxUnit: lm

Note: Value should be greater than 0.

Formulas to find Reflected Luminous Flux

Incident Luminous Flux

Incident Luminous Flux refers to the total amount of visible light energy emitted or received by a surface per unit time.

Symbol: Φ_i

Measurement: Luminous FluxUnit: lm

Note: Value should be greater than 0.

Formulas to find Incident Luminous Flux

Other formulas in Light Measurement category

Go Area affected by Light Incident

A = \frac{L p}{H}

Go Intensity on Solid Angle

I = \frac{Φ m}{Ω}

Go Flux at Solid Angle

Φ m = I \cdot Ω

Go Reflected Luminous Flux

Φ r = Φ i \cdot ρ

How to Evaluate Reflection Factor?

Reflection Factor evaluator uses Reflection Factor = Reflected Luminous Flux/Incident Luminous Flux to evaluate the Reflection Factor, The Reflection Factor formula is defined as The ratio of the total amount of radiation, as of light, reflected by a surface to the total amount of radiation incident on the surface. Reflection Factor is denoted by ρ symbol.

How to evaluate Reflection Factor using this online evaluator? To use this online evaluator for Reflection Factor, enter Reflected Luminous Flux (Φ_r) & Incident Luminous Flux (Φ_i) and hit the calculate button.

FAQs on Reflection Factor

What is the formula to find Reflection Factor?

The formula of Reflection Factor is expressed as Reflection Factor = Reflected Luminous Flux/Incident Luminous Flux. Here is an example- 2.217391 = 5.1/2.3.

How to calculate Reflection Factor?

With Reflected Luminous Flux (Φ_r) & Incident Luminous Flux (Φ_i) we can find Reflection Factor using the formula - Reflection Factor = Reflected Luminous Flux/Incident Luminous Flux.

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Reflection Factor Formula

Reflection Factor Example

Reflection Factor Solution

Reflection Factor Formula Elements

Other formulas in Light Measurement category

How to Evaluate Reflection Factor?

FAQs on Reflection Factor

Variable Name