Theories of light

Theories of light describe how light behaves and interacts with matter. The most prominent theories are: 1. **Particle Theory (Photon Theory)**: Light consists of tiny particles called photons that travel in straight lines. This theory explains phenomena like photoelectric effect, where light can knock electrons off a surface. 2. **Wave Theory**: Light behaves like a wave, which can explain interference and diffraction, where light bends around obstacles. 3. **Quantum Theory**: Combines both particle and wave theories, suggesting light has dual properties and behaves as both particles and waves under different conditions, leading to a deeper understanding of its nature.