Illumination Illumination can be expressed in lux. radians. candela. lumens. lux. radians. candela. lumens. 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 13.5 lux. 12.5 lux. 17.5 lux. 18.5 lux. 13.5 lux. 12.5 lux. 17.5 lux. 18.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Depreciation. Utilization. Maintenance. Absorption factor. Depreciation. Utilization. Maintenance. Absorption factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to utilization factor. absorption factor. waste light factor. beam factor. utilization factor. absorption factor. waste light factor. beam factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination of the surface varies directly with cosine of the angle between normal to surface and direction of the inclined light is given by law of square inverse. None of these Lambert’s cosine law. both A and B. law of square inverse. None of these Lambert’s cosine law. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Rod cells Both ‘a’ and ‘b’ Cone cells None of these Rod cells Both ‘a’ and ‘b’ Cone cells None of these ANSWER DOWNLOAD EXAMIANS APP
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