glass. when we say light we mean white light or light with all colours. light is a form of energy., it cannot be destroyed but can be changed into other form of energy like heat ,sound etc. the light that is visible to us has a wide spectrum of colours. these colours are like a band from (vibgyor) violet...
. supply glass vials of 10, 50, 100 and 250 ml. polyethylene terephthalate (pet) vials of 100 and 250 ml. not all pack sizes may be marketed. license number: 2549-esp (aem spain)...