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 is best suited for lighting an International sports arena? Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Wavelength. Luminous intensity. Frequency. Luminous flux. Wavelength. Luminous intensity. 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 45 %. 20 %. 30 %. 70 %. 45 %. 20 %. 30 %. 70 %. ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 300nm - 1000nm. 480nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 300nm - 1000nm. 480nm - 1000nm. 300nm - 760nm. 480nm - 760nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lumens. radians. lux. candela. lumens. radians. lux. ANSWER DOWNLOAD EXAMIANS APP
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