EXAMIANS
Which lamp has a negative Colour Rendering Index (CRI)?
YOUR ANSWER : ?
YOUR ANSWER : ?
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
YOUR ANSWER : ?
The range of visual spectrum is
YOUR ANSWER : ?
Luminous efficiency of a fluorescence lamp is
YOUR ANSWER : ?
Total flux or lumens required in any lighting scheme depends inversely on
YOUR ANSWER : ?
From a uniform light source having luminous intensity of 300 candelas, there exists a plane surface 15 m below. The value of illuminance at a point on the plane surface where the luminous flux rays are inclined at an angle of 30 to the surface is
YOUR ANSWER : ?
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?
YOUR ANSWER : ?
Which among the following lamps has the maximum burning hours?
YOUR ANSWER : ?
Which lamp is best suited for lighting an International sports arena?
YOUR ANSWER : ?
Wave length for red colour is around
YOUR ANSWER : ?