Demos for week 14 ======================================== Tuesday 25 April ---------------------------------------- Double Slit and Lloyd's Mirror Thin Films Thin Films --Mercury Source, Mica, Soap Film Thin Films --Soap Bubbles Fringes With Optical Flats ======================================== Thursday 27 April ---------------------------------------- Argon Laser Spectra Using Diffraction Gratings Laser --Diffraction Laser Optic Bench Single Slits, Double Slits, and Pinholes on Optical Bench Slits, Holes, Bearings on Optical Bench