Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous flux Luminous Intensity Illuminance Luminance Luminous flux Luminous Intensity Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of degree. radians. steredians. radians / meter. degree. radians. steredians. radians / meter. 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 Which lamp has the best Colour Rendering Index (CRI)? Incandescent Fluorescent High pressure sodium vapour LED Incandescent Fluorescent High pressure sodium vapour LED ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is steradians. candela. lumens. lux. steradians. candela. lumens. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 2:1 2√2 : 1 1:2 1: 2√2 2:1 2√2 : 1 1:2 1: 2√2 ANSWER DOWNLOAD EXAMIANS APP