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. Lambert’s cosine law. law of square inverse. None of these both A and B. Lambert’s cosine law. law of square inverse. None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 60 lumens. 754.2 lumens. 0.001326 lumens. None of these. 60 lumens. 754.2 lumens. 0.001326 lumens. None of these. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lux. radians. candela. lumens. lux. radians. candela. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Incandescent Metal Halide LED Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 480nm - 1000nm. 480nm - 760nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 1000nm. 480nm - 760nm. 300nm - 1000nm. 300nm - 760nm. 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 1: 2√2 2:1 2√2 : 1 1:2 1: 2√2 2:1 2√2 : 1 ANSWER DOWNLOAD EXAMIANS APP
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