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 12.5 lux. 13.5 lux. 17.5 lux. 18.5 lux. 12.5 lux. 13.5 lux. 17.5 lux. 18.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent LED Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Cone cells Rod cells None of these Both ‘a’ and ‘b’ Cone cells Rod cells None of these Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lux. lumens. candela. radians. lux. lumens. candela. radians. ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. candela. steradians. lux. lumens. candela. steradians. lux. ANSWER DOWNLOAD EXAMIANS APP
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