Illumination The range of visual spectrum is 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of radians. degree. radians / meter. steredians. radians. degree. radians / meter. steredians. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 0.001326 lumens. None of these. 754.2 lumens. 60 lumens. 0.001326 lumens. None of these. 754.2 lumens. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lux. lumens. candela. steradians. lux. lumens. candela. steradians. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous flux. Frequency. Luminous intensity. Wavelength. Luminous flux. Frequency. Luminous intensity. Wavelength. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the number of lamps, each having 300 lumens, required to obtain an average illuminance of 50 lux on a 4m × 3m rectangular room? 2 6 4 5 2 6 4 5 ANSWER DOWNLOAD EXAMIANS APP
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