Lumen Flux in Illumination Formulas

Lumen flux is often used as an objective measure of the useful light emitted by a light source. And is denoted by Φ_B. Lumen Flux is usually measured using the Lumen for Luminous Flux. Note that the value of Lumen Flux is always negative.

Illumination formulas that make use of Lumen Flux

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FAQ

What is the Lumen Flux?

Lumen flux is often used as an objective measure of the useful light emitted by a light source. Lumen Flux is usually measured using the Lumen for Luminous Flux. Note that the value of Lumen Flux is always negative.

Can the Lumen Flux be negative?

Yes, the Lumen Flux, measured in Luminous Flux can be negative.

What unit is used to measure Lumen Flux?

Lumen Flux is usually measured using the Lumen[lm] for Luminous Flux. Candela Steradian[lm], Lux Square Meter[lm] are the few other units in which Lumen Flux can be measured.

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