Illumination Wave length for red colour is around 700 nm. 600 nm. 500 nm. 400 nm. 700 nm. 600 nm. 500 nm. 400 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 30 150. 200. 140. 30 150. 200. 140. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on utilization factor. None of these reflection factor. reduction factor. utilization factor. None of these reflection factor. reduction factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is candela. steradians. lux. lumens. candela. steradians. lux. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to waste light factor. beam factor. absorption factor. utilization factor. waste light factor. beam factor. absorption factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 1 / 3. 2 / 3. 3 / 2. 2 / 5. 1 / 3. 2 / 3. 3 / 2. 2 / 5. ANSWER DOWNLOAD EXAMIANS APP
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