Aus degree eka 4years eth BEng denne. awulak weida eka??:confused:
(IESL hema):frown:
danna kawruth innawada site eke yaluwane? please danna aya kianna:rolleyes:
In electromagnetic spectrum Visible spectrum is the only range that we can view by naked-eye. UV rays are above the visible rays' frequency & IR rays are below.
There are UV bulbs & IR bulbs that brings UV&IR to visible range by changing the wave length. UV light is very bright. IR bulbs use...
Nithushi
Nithooshi
ú = ALT+0250
-nathnan;
system tools > character map yanna.eke hema font ekakatama adala siyaluma symbols,letters,characters tika thianawa
copy paste karanna ecchcharai :D