IR Level I Practice Questions - Certified Infrared Thermographer Level I Exam

The Stefan-Boltzmann law states that the total radiant power emitted per unit area of a blackbody is:

Proportional to the absolute temperature Proportional to the square of absolute temperature Proportional to the fourth power of absolute temperature Inversely proportional to absolute temperature

Correct Answer:

Proportional to the fourth power of absolute temperature

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