Illumination The range of visual spectrum is 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? Low pressure sodium vapour LED Fluorescent High pressure sodium vapour Low pressure sodium vapour LED Fluorescent High pressure sodium vapour 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 30 200. 140. 150. 30 200. 140. 150. 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? 1:2 2:1 2√2 : 1 1: 2√2 1:2 2:1 2√2 : 1 1: 2√2 ANSWER DOWNLOAD EXAMIANS APP
Illumination From a uniform light source having luminous intensity of 300 candelas, there exists a plane surface 15 m below. The value of illuminance at a point on the plane surface where the luminous flux rays are inclined at an angle of 30 to the surface is 58.45 Kilolux. 1.15 lux. 17.32 lux. 1.53 lux. 58.45 Kilolux. 1.15 lux. 17.32 lux. 1.53 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Illuminance Luminous Intensity Luminance Luminous flux Illuminance Luminous Intensity Luminance Luminous flux ANSWER DOWNLOAD EXAMIANS APP
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