1. ATENEO DE MANILA UNIVERSITY EcE 301- Research Seminar IPaul M. Cabacungan Germicidal Lamp Salvador P. Granada, Jr. Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays.electromagnetic radiation wavelengthvisible lightX-rays NameWavelengthWavelength range in nanometresnanometres UVA, long wave, or black lightblack light400 nm - 320 nm UVB or medium wave320 nm - 280 nm UVC, short wave, or germicidalgermicidalBelow 280 nm v = f λ

2. ATENEO DE MANILA UNIVERSITY EcE 301- Research Seminar IPaul M. Cabacungan Germicidal Lamp Salvador P. Granada, Jr. Black lights cause white objects to glow in the dark.

3. ATENEO DE MANILA UNIVERSITY EcE 301- Research Seminar IPaul M. Cabacungan Germicidal Lamp Salvador P. Granada, Jr. ATENEO DE MANILA UNIVERSITY

4. EcE 301- Research Seminar IPaul M. Cabacungan Germicidal Lamp Salvador P. Granada, Jr. The ballast, starter switch and fluorescent bulb are all wired together in a simple circuit.

5. ATENEO DE MANILA UNIVERSITY EcE 301- Research Seminar IPaul M. Cabacungan Germicidal Lamp Salvador P. Granada, Jr.

6. ATENEO DE MANILA UNIVERSITY EcE 301- Research Seminar IPaul M. Cabacungan Germicidal Lamp Salvador P. Granada, Jr. Sources: http://en.wikipedia.org/wiki/Ultraviolethttp://en.wikipedia.org/wiki/Ultraviolet“ WaterTech How Stuff Works