Illumination Unit of luminous flux is candela. steradians. lumens. lux. candela. steradians. lumens. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficacy of a typical HPSV lamp is in between 10 - 40 lm/watt 40 - 70 lm/watt. 70 - 120 lm/watt. 120 - 200 lm/watt. 10 - 40 lm/watt 40 - 70 lm/watt. 70 - 120 lm/watt. 120 - 200 lm/watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 0.001326 lumens. 754.2 lumens. 60 lumens. None of these. 0.001326 lumens. 754.2 lumens. 60 lumens. None of these. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 70 lumens / watt. 30 lumens / watt. 60 lumens / watt. 40 lumens / watt. 70 lumens / watt. 30 lumens / watt. 60 lumens / watt. 40 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ Cone cells Rod cells None of these Both ‘a’ and ‘b’ Cone cells Rod cells None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? High pressure sodium vapour Low pressure sodium vapour Fluorescent LED High pressure sodium vapour Low pressure sodium vapour Fluorescent LED ANSWER DOWNLOAD EXAMIANS APP