Equations
Photon energy from frequency
Modern physics · id photon_energy
E = h f
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
E | photon energy | J | Energy of one photon | 1e-30 to 1e-10 |
h | Planck constant | J*s | Planck's constant | |
f | frequency | Hz | Frequency of the light | 1000 to 1e+24 |
Assumptions
- Single photon
Valid when
- No extra conditions.
Found by
Questions with these words retrieve this equation: photon, energy, frequency, light, planck, quantum, x-ray.
Source
OpenStax University Physics Volume 3, Chapter 6 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.