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. None of these law of square inverse. Lambert’s cosine law. both A and B. None of these law of square inverse. Lambert’s cosine law. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of steredians. radians. degree. radians / meter. steredians. radians. degree. radians / meter. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination A 200 candle power lamp is hung 4 m above the centre of circular area of 5 m diameter. The illumination at centre of the area is 18.5 lux. 17.5 lux. 12.5 lux. 13.5 lux. 18.5 lux. 17.5 lux. 12.5 lux. 13.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Luminous flux. Wavelength. Luminous intensity. Frequency. Luminous flux. Wavelength. Luminous intensity. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? Fluorescent Low pressure sodium vapour High pressure sodium vapour LED Fluorescent Low pressure sodium vapour High pressure sodium vapour LED ANSWER DOWNLOAD EXAMIANS APP
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