Illumination Total flux or lumens required in any lighting scheme depends inversely on utilization factor. reduction factor. None of these reflection factor. utilization factor. reduction factor. None of these reflection factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 1: 2√2 2√2 : 1 2:1 1:2 1: 2√2 2√2 : 1 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 400 nm. 500 nm. 700 nm. 600 nm. 400 nm. 500 nm. 700 nm. 600 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is steradians. lux. lumens. candela. steradians. lux. lumens. candela. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 200 candle power lamp is hung 4 m above the centre of circular area of 5 m diameter. The illumination at centre of the area is 18.5 lux. 17.5 lux. 12.5 lux. 13.5 lux. 18.5 lux. 17.5 lux. 12.5 lux. 13.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminous Intensity Illuminance Luminous flux Luminance Luminous Intensity Illuminance Luminous flux Luminance ANSWER DOWNLOAD EXAMIANS APP
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