What causes a lens to change the direction of light rays?
Reflection as light passes between materials.
Refraction as light passes between materials.
Diffraction as light passes between materials.
Dispersion as light passes between materials.
Flashcards for Edexcel AS Level Physics Lenses and optical images, covering the key terms and definitions you need to recall. 32 cards, matched to the Edexcel AS Level Physics (8PH0) specification.