Blackbody Power Calculator

Calculate Power Radiated by a Blackbody



Formula

The formula to calculate the power radiated by a blackbody (P) is:

\[ P = \sigma \cdot A \cdot T^4 \]

Where:

What is a Blackbody?

A blackbody is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence. It emits radiation in a characteristic, continuous spectrum that depends only on the body’s temperature, known as blackbody radiation. This concept is fundamental in the field of thermodynamics and quantum mechanics, providing a model for understanding the emission of radiation by real objects.

Example Calculation

Let's assume the following values:

Using the formula to calculate the power radiated by the blackbody:

\[ P = 5.67 \times 10^{-8} \times 1 \times 300^4 \]

The power radiated by the blackbody is approximately 459.27 W.