Illumination Which among the following lamps has the maximum burning hours? Incandescent. Metal halide. Compact Fluorescent. LED. Incandescent. Metal halide. Compact Fluorescent. LED. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? Low pressure sodium vapour High pressure sodium vapour LED Fluorescent Low pressure sodium vapour High pressure sodium vapour LED Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of radians / meter. radians. degree. steredians. radians / meter. radians. degree. steredians. 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 Lambert’s cosine law. law of square inverse. both A and B. None of these Lambert’s cosine law. law of square inverse. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 400 nm. 500 nm. 700 nm. 600 nm. 400 nm. 500 nm. 700 nm. 600 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 480nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. 300nm - 760nm. ANSWER DOWNLOAD EXAMIANS APP
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