Illumination Which among the following lamps has the maximum burning hours? Incandescent. Metal halide. Compact Fluorescent. LED. Incandescent. Metal halide. Compact Fluorescent. LED. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? None of these. 0.001326 lumens. 754.2 lumens. 60 lumens. None of these. 0.001326 lumens. 754.2 lumens. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 700 nm. 500 nm. 600 nm. 400 nm. 700 nm. 500 nm. 600 nm. 400 nm. 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
Illumination The work of ballast in a fluorescent tube is to limit the flow of current. None of these. both ‘a’ and ‘b’. provide a kick start when voltage is induced. limit the flow of current. None of these. both ‘a’ and ‘b’. provide a kick start when voltage is induced. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ None of these Cone cells Rod cells Both ‘a’ and ‘b’ None of these Cone cells Rod cells ANSWER DOWNLOAD EXAMIANS APP
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