Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ Rod cells None of these Cone cells Both ‘a’ and ‘b’ Rod cells None of these Cone cells ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to waste light factor. utilization factor. beam factor. absorption factor. waste light factor. utilization factor. beam factor. absorption factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is steradians. lux. lumens. candela. steradians. lux. lumens. candela. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous flux. Luminous intensity. Wavelength. Frequency. Luminous flux. Luminous intensity. Wavelength. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous Intensity Illuminance Luminous flux Luminance Luminous Intensity Illuminance Luminous flux 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 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. ANSWER DOWNLOAD EXAMIANS APP