Illumination Which lamps can be directly connected to a solar cell? LED Incandescent Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 400 nm. 600 nm. 700 nm. 500 nm. 400 nm. 600 nm. 700 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous flux. Luminous intensity. Frequency. Wavelength. Luminous flux. Luminous intensity. Frequency. Wavelength. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous flux Illuminance Luminous Intensity Luminance Luminous flux Illuminance Luminous Intensity 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. law of square inverse. None of these both A and B. Lambert’s cosine law. law of square inverse. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED Incandescent ANSWER DOWNLOAD EXAMIANS APP
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