**Photons (Quantum Physics)** ============================= .. py:currentmodule:: symplyphysics.quantum_physics.photons **Contents:** .. toctree:: :maxdepth: 4 quantum_physics.photons.photon_energy_is_proportional_to_angular_frequency quantum_physics.photons.photon_energy_is_proportional_to_linear_frequency quantum_physics.photons.photon_momentum_is_proportional_to_angular_wavenumber quantum_physics.photons.photon_momentum_is_proportional_to_energy