Illumination The work of ballast in a fluorescent tube is to both ‘a’ and ‘b’. None of these. provide a kick start when voltage is induced. limit the flow of current. both ‘a’ and ‘b’. None of these. provide a kick start when voltage is induced. limit the flow of current. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminous Intensity Luminous flux Luminance Illuminance Luminous Intensity Luminous flux Luminance Illuminance ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 480nm - 1000nm. 300nm - 760nm. 300nm - 1000nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 760nm. 300nm - 1000nm. 480nm - 760nm. 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 2 / 5. 2 / 3. 3 / 2. 1 / 3. 2 / 5. 2 / 3. 3 / 2. 1 / 3. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Metal Halide Incandescent LED Compact Fluorescent Metal Halide Incandescent LED Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
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