Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to absorption factor. waste light factor. utilization factor. beam factor. absorption factor. waste light factor. utilization factor. beam factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous intensity. Frequency. Wavelength. Luminous flux. Luminous intensity. Frequency. Wavelength. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? LED Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent Incandescent Metal Halide 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 lamp has the best Colour Rendering Index (CRI)? LED High pressure sodium vapour Fluorescent Incandescent LED High pressure sodium vapour Fluorescent Incandescent 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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