Electron Speed Calculator Classical vs. Relativistic Speeds from Kinetic Energy Introduction This calculator determines the speed of an electron given its kinetic energy (KE). It provides results from two perspectives:

Interactive Brewster's Angle Calculator How to Use This Calculator This calculator determines Brewster's angle (θB), the angle of incidence at which light with a particular polarization is perfectly transmitted through

E=mc² Calculator (Mass-Energy Equivalence) Calculator Instructions Theory & Formulas Mass (m): kg (kilograms) g (grams) mg (milligrams) µg (micrograms) amu (atomic mass units) lb (pounds) oz (ounces) Calculate Energy How

Interactive Laser Beam Expander Calculator How to Use This Calculator This calculator determines the properties of a laser beam after passing through a two-lens beam expander. Enter the Wavelength (λ)