Illumination Luminous efficiency of a fluorescence lamp is 40 lumens / watt. 70 lumens / watt. 60 lumens / watt. 30 lumens / watt. 40 lumens / watt. 70 lumens / watt. 60 lumens / watt. 30 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Incandescent. Metal halide. LED. Compact Fluorescent. Incandescent. Metal halide. LED. Compact Fluorescent. ANSWER DOWNLOAD EXAMIANS APP
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 Candela/metre square is the unit of which photometric quantity? Luminous Intensity Luminance Illuminance Luminous flux Luminous Intensity Luminance Illuminance Luminous flux 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 1 / 3. 3 / 2. 2 / 3. 2 / 5. 1 / 3. 3 / 2. 2 / 3. 2 / 5. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in radians. lumens. candela. lux. radians. lumens. candela. lux. ANSWER DOWNLOAD EXAMIANS APP
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