Topic explanation

Standard explanation

An electron microscope uses a beam of electrons rather than visible light to form highly magnified images of very small structures.

Key points

• shorter wavelength → ability to resolve smaller structures
• λ=hp
• λ=h/mv
• Electron Optics: Resolution is limited partly by wavelength. Visible light has wavelength on the order of hundreds o
• Main Idea: shorter wavelength → ability to resolve smaller structures
• de Broglie matter waves make electron microscopy possible.

Labelled diagram