APS Logo Kids
PhysicsMatters
spacer
 
CDDice in HandsE=hvCatsSpherical HarmonicsLaserStringIonization Reaction E=hv

This equation says that the energy of a particle of light (E), called a photon, is proportional to its frequency (), by a constant factor (h). This means that photons with low frequencies, like radio waves, have lower energies than photons with high frequencies, like x-rays.

E=hv Tile E=hv Line Art
E=hv Kid

 


Artwork Columns:
Matter | Quantum | Relativity | Einstein's Life


Terms of Use | © 2012 American Physical Society