Lighting is an integral part of architectural design.It determines the utilitarian and the aesthetic environment provided by a designer, thus calling for the most careful

Sodium vapour lamps have a very high effieciency and are generally used for purposes of street lighting. These have a low colour rendering index and

Source of light  is sun, but inside a building light from the sun may reach in the following ways: A – Diffused or skylight ,

Lighting is an integral part of architectural design. It determines the utilitarian and the aesthetic environment provided by a designer, thus calling for the most