The radiation emitted by a perfectly black body is proportional to?

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1. The radiation emitted by a perfectly black body is proportional to?

The temperature measured on the ideal gas scale

The fourth root of the temperature

The fourth power of the temperature

The square root of the temperature

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The Stefan-Boltzmann Law states that a perfect black body’s radiated energy is proportional to the fourth power of its absolute temperature — a much steeper relationship than Newton’s Law of Cooling.