luminous efficacy Definition

luminous flux, brightness, luminance, transmittance, microampere, candelas, illuminance, luminous intensity, emittance, absorption coefficient, transmissivity, irradiance, emissive, lumens, cold cathode, reflectivity, emissivity, photocurrent, phototransistor, absorbance, incandescent lamp, photomultiplier, photodiode, wattages, fluorescent lamp, heat dissipation, photoluminescence, microwatt, reflectance, kelvins, pmos, photodetector, watt, ohmic, plasmon, mflops, aspheric, illumination, diodes, dielectric constant, electroluminescence, pentile, chromaticity, fluence, photomultipliers, varistor, phosphor, birefringence, millivolts, halogens, electrolytic capacitor, weatherability, luminosity, mcd, bypass capacitor, electrophoretic, audio amplifier, inductances, permittivity, capacitances, blackbody, luminaire, intermodulation, ferrites, variable resistor, peltier, monochromator, crystal oscillator, kev, hysteretic, edp, passband, photodiodes, corona discharge, thermal conductivity, troffer, ductless, milliwatt, mev, photocells, bistable, photometric, dichroic, neutron flux, microspectrophotometer, oxyhemoglobin, photolysis, efficiency, photoelectric, lux, racerunner, cadmium sulphide, chemiluminescence, impedance, photoconductive, ammeter, uncooled, voltages, sise, autofluorescence,