Illumination Which cells in the eye are responsible for scotopic vision? Rod cells None of these Both ‘a’ and ‘b’ Cone cells Rod cells None of these Both ‘a’ and ‘b’ Cone cells ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination of the surface varies directly with cosine of the angle between normal to surface and direction of the inclined light is given by Lambert’s cosine law. both A and B. None of these law of square inverse. Lambert’s cosine law. both A and B. None of these law of square inverse. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Wavelength. Luminous flux. Luminous intensity. Frequency. Wavelength. Luminous flux. Luminous intensity. ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 500 nm. 600 nm. 700 nm. 400 nm. 500 nm. 600 nm. 700 nm. 400 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Incandescent. Compact Fluorescent. Metal halide. LED. Incandescent. Compact Fluorescent. Metal halide. LED. ANSWER DOWNLOAD EXAMIANS APP
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