Illumination Illumination can be expressed in candela. lumens. radians. lux. candela. lumens. radians. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous flux Luminous Intensity Illuminance Luminance Luminous flux Luminous Intensity Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous intensity. Wavelength. Frequency. Luminous flux. Luminous intensity. Wavelength. Frequency. Luminous flux. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 1000 W bulb fitted with a reflector illuminates an area of 3 m x 3 m with an average illumination of 450 lux. If the bulb has and efficiency of 9 lumens / watt the efficiency of the reflector is 20 %. 70 %. 45 %. 30 %. 20 %. 70 %. 45 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Metal halide. Compact Fluorescent. Incandescent. LED. Metal halide. Compact Fluorescent. Incandescent. 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 3 / 2. 2 / 5. 2 / 3. 1 / 3. 3 / 2. 2 / 5. 2 / 3. 1 / 3. ANSWER DOWNLOAD EXAMIANS APP
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