Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 150. 30 140. 200. 150. 30 140. 200. ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 300nm - 760nm. 480nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 2 / 5. 1 / 3. 3 / 2. 2 / 3. 2 / 5. 1 / 3. 3 / 2. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Incandescent Fluorescent LED High pressure sodium vapour Incandescent Fluorescent LED High pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the number of lamps, each having 300 lumens, required to obtain an average illuminance of 50 lux on a 4m × 3m rectangular room? 4 5 6 2 4 5 6 2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 400 nm. 700 nm. 600 nm. 500 nm. 400 nm. 700 nm. 600 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP
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