Illumination Which cells in the eye are responsible for scotopic vision? Both ‘a’ and ‘b’ Cone cells None of these Rod cells Both ‘a’ and ‘b’ Cone cells None of these Rod cells ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? None of these Both ‘a’ and ‘b’ To convert AC to DC To convert DC to AC None of these Both ‘a’ and ‘b’ To convert AC to DC To convert DC to AC ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 700 nm. 400 nm. 600 nm. 500 nm. 700 nm. 400 nm. 600 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Compact Fluorescent. LED. Metal halide. Incandescent. Compact Fluorescent. LED. Metal halide. Incandescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Incandescent Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Fluorescent Incandescent LED High pressure sodium vapour Fluorescent Incandescent LED High pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
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