irradiance Definition
- 1the power of electromagnetic radiation per unit area incident on a surface
- 2the radiant flux received by a surface per unit area
Using irradiance: Examples
Take a moment to familiarize yourself with how "irradiance" can be used in various situations through the following examples!
Example
The irradiance of the sun's rays on the earth's surface varies depending on the time of day and location.
Example
The irradiance of the light bulb was measured using a photometer.
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Summary: irradiance in Brief
The term 'irradiance' [ih-rey-dee-uhns] refers to the power of electromagnetic radiation per unit area incident on a surface. It is often used in scientific contexts, such as measuring the irradiance of the sun's rays or a light bulb using a photometer.