luminous efficacy
noun
the quotient of the luminous flux of a radiation and its corresponding radiant flux
Symbol: K
the quotient of the luminous flux emitted by a source of radiation and the power it consumes. It is measured in lumens per watt
Symbol: η v, Φ v
Words nearby luminous efficacy
luminism,
luminophore,
luminosity,
luminosity class,
luminous,
luminous efficacy,
luminous efficiency,
luminous emittance,
luminous energy,
luminous exitance,
luminous flux