Illumination Which lamp has a negative Colour Rendering Index (CRI)? Fluorescent Low pressure sodium vapour High pressure sodium vapour LED Fluorescent Low pressure sodium vapour High pressure sodium vapour LED 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 1.53 lux. 17.32 lux. 58.45 Kilolux. 1.15 lux. 1.53 lux. 17.32 lux. 58.45 Kilolux. 1.15 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Fluorescent Incandescent High pressure sodium vapour LED Fluorescent Incandescent High pressure sodium vapour LED 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. 3 / 2. 2 / 3. 1 / 3. 2 / 5. 3 / 2. 2 / 3. 1 / 3. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous intensity. Frequency. Wavelength. Luminous flux. Luminous intensity. Frequency. Wavelength. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 600 nm. 700 nm. 500 nm. 400 nm. 600 nm. 700 nm. 500 nm. 400 nm. ANSWER DOWNLOAD EXAMIANS APP
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