Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
The energy carried by a photon, calculated using E = hν or E = hc/λ, where h is Planck's constant, ν is frequency, c is the speed of light, and λ is wavelength.
AP course connection
Topic 3.11: 3.11 Spectroscopy and the Electromagnetic Spectrum