Illumination Illumination can be expressed in lux. candela. radians. lumens. lux. candela. radians. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent 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 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. Lambert’s cosine law. 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 1: 2√2 2:1 2√2 : 1 1:2 1: 2√2 2:1 2√2 : 1 ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Rod cells None of these Cone cells Both ‘a’ and ‘b’ Rod cells None of these Cone cells Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 300nm - 1000nm. 480nm - 760nm. 300nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 480nm - 760nm. 300nm - 760nm. 480nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
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