Illumination Wave length for red colour is around 700 nm. 600 nm. 400 nm. 500 nm. 700 nm. 600 nm. 400 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. lux. candela. steradians. lumens. lux. candela. steradians. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 1:2 2√2 : 1 2:1 1: 2√2 1:2 2√2 : 1 2:1 1: 2√2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reduction factor. None of these reflection factor. utilization factor. reduction factor. None of these reflection factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 2 / 5. 3 / 2. 1 / 3. 2 / 3. 2 / 5. 3 / 2. 1 / 3. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? LED Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide ANSWER DOWNLOAD EXAMIANS APP