May 28, 2016 · You can try evaluating the refractive index of different mediums (liquids) using a hollow prism. Fill it with certain liquid and perform the needle-procedure which is commonly performed. Apr 03, 2015 · Trig Identities Study Sheet 4 This entry was posted on April 3, 2015 by Todd Helmenstine (updated on March 22, 2018 ) This study sheet has ten groups of trig identities for the basic trigonometry functions. With the assistance of Prof. Donald C. O’Shea, of Georgia Institute of Technology's School of Physics, Newport's Technical Staff developed the Projects in Optics education kit to provide understanding and experience of the fundamental and necessary concepts needed by those working in optics and/or photonics fields. Physics Help Physics 101 Advanced Physics Advanced Mathematics Physics Formulas Physics Experiments Physics Cheat Sheet Theoretical Physics Quantum Physics BuzzFeed has breaking news, vital journalism, quizzes, videos, celeb news, Tasty food videos, recipes, DIY hacks, and all the trending buzz you’ll want to share with your friends.