📋 Formulario

Complete Theory

Worked Examples

Example 1Young's experiment
Example 2Converging lens — image position

Exercises with Solutions

Exercise 1Thin film interferenceMedium
📋 Problem to solve
Glass film (n=1.5n=1.5) in air, t=300nmt=300\,nm. For which visible wavelengths is reflection maximum?
Exercise 2Diffraction gratingHard
📋 Problem to solve
Grating d=2μmd=2\,\mu m, λ=500nm\lambda=500\,nm, N=10000N=10000. Angles of 1st and 2nd order; resolving power.