Illumination Candela is the unit of which? Luminous flux. Wavelength. Luminous intensity. Frequency. Luminous flux. Wavelength. Luminous intensity. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 60 lumens. 0.001326 lumens. None of these. 754.2 lumens. 60 lumens. 0.001326 lumens. None of these. 754.2 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 150. 200. 30 140. 150. 200. 30 140. 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 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 17.5 lux. 12.5 lux. 18.5 lux. 13.5 lux. 17.5 lux. 12.5 lux. 18.5 lux. 13.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? None of these To convert DC to AC To convert AC to DC Both ‘a’ and ‘b’ None of these To convert DC to AC To convert AC to DC Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP