Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent Incandescent Metal Halide LED 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? 6 4 5 2 6 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of steredians. radians / meter. radians. degree. steredians. radians / meter. radians. degree. 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 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 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. 150. 140. 30 200. 150. 140. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous flux. Frequency. Wavelength. Luminous intensity. Luminous flux. Frequency. Wavelength. Luminous intensity. ANSWER DOWNLOAD EXAMIANS APP