Illumination Which among the following lamps has the maximum burning hours? LED. Compact Fluorescent. Incandescent. Metal halide. LED. Compact Fluorescent. Incandescent. Metal halide. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Cone cells Rod cells Both ‘a’ and ‘b’ None of these Cone cells Rod cells Both ‘a’ and ‘b’ None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Frequency. Luminous flux. Luminous intensity. Wavelength. Frequency. Luminous flux. Luminous intensity. Wavelength. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination A 200 candle power lamp is hung 4 m above the centre of circular area of 5 m diameter. The illumination at centre of the area is 18.5 lux. 13.5 lux. 17.5 lux. 12.5 lux. 18.5 lux. 13.5 lux. 17.5 lux. 12.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminous Intensity Luminance Luminous flux Illuminance Luminous Intensity Luminance Luminous flux Illuminance ANSWER DOWNLOAD EXAMIANS APP
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