Illumination Wave length for red colour is around 500 nm. 700 nm. 400 nm. 600 nm. 500 nm. 700 nm. 400 nm. 600 nm. 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 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. law of square inverse. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? LED. Compact Fluorescent. Metal halide. Incandescent. LED. Compact Fluorescent. Metal halide. Incandescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reduction factor. None of these reflection factor. utilization factor. reduction factor. None of these reflection factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lux. candela. steradians. lumens. lux. candela. steradians. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in radians. lumens. candela. lux. radians. lumens. candela. lux. ANSWER DOWNLOAD EXAMIANS APP
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