Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminous Intensity Luminous flux Luminance Illuminance Luminous Intensity Luminous flux Luminance Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 480nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 300nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? High pressure sodium vapour LED Fluorescent Incandescent High pressure sodium vapour LED Fluorescent Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Wavelength. Frequency. Luminous intensity. Luminous flux. Wavelength. Frequency. Luminous intensity. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 1000 W bulb fitted with a reflector illuminates an area of 3 m x 3 m with an average illumination of 450 lux. If the bulb has and efficiency of 9 lumens / watt the efficiency of the reflector is 20 %. 30 %. 45 %. 70 %. 20 %. 30 %. 45 %. 70 %. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS