Illumination Wave length for red colour is around 500 nm. 400 nm. 700 nm. 600 nm. 500 nm. 400 nm. 700 nm. 600 nm. 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? 2√2 : 1 1:2 2:1 1: 2√2 2√2 : 1 1:2 2:1 1: 2√2 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 both A and B. 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. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of radians. radians / meter. steredians. degree. radians. radians / meter. steredians. degree. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lumens. lux. radians. candela. lumens. lux. radians. ANSWER DOWNLOAD EXAMIANS APP
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