Illumination What will be the total flux emitted by a source of 60 candle power? 754.2 lumens. None of these. 0.001326 lumens. 60 lumens. 754.2 lumens. None of these. 0.001326 lumens. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 400 nm. 700 nm. 600 nm. 500 nm. 400 nm. 700 nm. 600 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. candela. steradians. lux. lumens. candela. steradians. lux. 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 Luminous efficiency of a fluorescence lamp is 40 lumens / watt. 70 lumens / watt. 30 lumens / watt. 60 lumens / watt. 40 lumens / watt. 70 lumens / watt. 30 lumens / watt. 60 lumens / watt. 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 58.45 Kilolux. 1.53 lux. 17.32 lux. 1.15 lux. 58.45 Kilolux. 1.53 lux. 17.32 lux. 1.15 lux. ANSWER DOWNLOAD EXAMIANS APP
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