Geometric Optics - Optics | Focal Length | Lenses - PhET Interactive Simulations
How does a lens or mirror form an image? See how light rays are refracted by a lens or reflected by a mirror. Observe how the image changes when you adjust the focal length of the lens, move the object, or move the screen.
En bref
Ajouté le
18 mars 2026
Matière et domaine
physics · optics
Niveaux scolaires
9e année (3e)–12e année (Terminale)
Type de page
Tool
Introduction
Geometric Optics Simulation Overview
- Subject Matter: The simulation covers core concepts in optics, specifically focusing on focal length, lenses, and mirrors.
- Platform Compatibility: The simulation is built in HTML5, ensuring compatibility across iPads, Chromebooks, PCs, Macs, and Linux systems.
- Accessibility: PhET is actively integrating inclusive features for diverse learners; users are encouraged to check the "Accessible Sims" section for specific platform limitations and requirements.
- Current Version: 1.3.15.
- Technical Requirements: Optimal performance requires the latest versions of Chrome, Firefox, Safari, or Edge browsers.
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