Illumination What will be the total flux emitted by a source of 60 candle power? 754.2 lumens. 60 lumens. None of these. 0.001326 lumens. 754.2 lumens. 60 lumens. None of these. 0.001326 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficacy of a typical HPSV lamp is in between 120 - 200 lm/watt. 70 - 120 lm/watt. 10 - 40 lm/watt 40 - 70 lm/watt. 120 - 200 lm/watt. 70 - 120 lm/watt. 10 - 40 lm/watt 40 - 70 lm/watt. 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. Lambert’s cosine law. both A and B. None of these law of square inverse. Lambert’s cosine law. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Cone cells Both ‘a’ and ‘b’ None of these Rod cells Cone cells Both ‘a’ and ‘b’ None of these Rod cells 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 200. 30 150. 140. 200. 30 150. 140. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
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