Intensity of Light Entering the Material in Illumination Formulas

Intensity of Light Entering the Material is related to the energy of the EM wave (power per unit area). So when light passes through an interface some of it is reflected and some refracted. And is denoted by I_o. Intensity of Light Entering the Material is usually measured using the Candela for Luminous Intensity. Note that the value of Intensity of Light Entering the Material is always negative.

Illumination formulas that make use of Intensity of Light Entering the Material

fxBeer-Lambert LawGo

fxIntensity of Light TransmittedGo

FAQ

What is the Intensity of Light Entering the Material?

Intensity of Light Entering the Material is related to the energy of the EM wave (power per unit area). So when light passes through an interface some of it is reflected and some refracted. Intensity of Light Entering the Material is usually measured using the Candela for Luminous Intensity. Note that the value of Intensity of Light Entering the Material is always negative.

Can the Intensity of Light Entering the Material be negative?

Yes, the Intensity of Light Entering the Material, measured in Luminous Intensity can be negative.

What unit is used to measure Intensity of Light Entering the Material?

Intensity of Light Entering the Material is usually measured using the Candela[cd] for Luminous Intensity. Candle (International)[cd], Decimal Candle[cd], Hefner Candle[cd] are the few other units in which Intensity of Light Entering the Material can be measured.

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