🧲ap physics 2 review

Stefan-Boltzmann law

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A law stating that the rate at which energy is emitted (power) by a blackbody is proportional to its surface area and to the fourth power of its absolute temperature, expressed as P = AσT⁴.

AP course connection

Topic 15.4: 15.4 Blackbody Radiation

Unit 15