Illumination Which lamp is best suited for lighting an International sports arena? Compact Fluorescent Metal Halide Incandescent LED Compact Fluorescent Metal Halide Incandescent LED ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination From a uniform light source having luminous intensity of 300 candelas, there exists a plane surface 15 m below. The value of illuminance at a point on the plane surface where the luminous flux rays are inclined at an angle of 30 to the surface is 17.32 lux. 1.53 lux. 1.15 lux. 58.45 Kilolux. 17.32 lux. 1.53 lux. 1.15 lux. 58.45 Kilolux. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 60 lumens. 0.001326 lumens. 754.2 lumens. None of these. 60 lumens. 0.001326 lumens. 754.2 lumens. None of these. 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 30 %. 70 %. 20 %. 45 %. 30 %. 70 %. 20 %. 45 %. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent Incandescent ANSWER DOWNLOAD EXAMIANS APP