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 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? 2√2 : 1 1: 2√2 2:1 1:2 2√2 : 1 1: 2√2 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on utilization factor. reflection factor. None of these reduction factor. utilization factor. reflection factor. None of these reduction factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficacy of a typical HPSV lamp is in between 10 - 40 lm/watt 70 - 120 lm/watt. 40 - 70 lm/watt. 120 - 200 lm/watt. 10 - 40 lm/watt 70 - 120 lm/watt. 40 - 70 lm/watt. 120 - 200 lm/watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of radians / meter. steredians. degree. radians. radians / meter. steredians. degree. radians. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in lux. radians. candela. lumens. lux. radians. candela. lumens. ANSWER DOWNLOAD EXAMIANS APP
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