Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 200. 140. 30 150. 200. 140. 30 150. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 60 lumens / watt. 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 60 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. candela. steradians. lux. lumens. candela. steradians. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous Intensity Luminous flux Illuminance Luminance Luminous Intensity Luminous flux Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Incandescent High pressure sodium vapour Fluorescent LED Incandescent High pressure sodium vapour Fluorescent LED ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? To convert AC to DC To convert DC to AC None of these Both ‘a’ and ‘b’ To convert AC to DC To convert DC to AC None of these Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
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