Multiple choice general knowledge science & technology

Stefan boltzmann law is

  1. The radiated power of a hot body is proportional to the radiating surface area and the fourth power of the thermodynamic temperature

  2. The radiated power of a hot body is proportional to the radiating surface area and the cube of the thermodynamic temperature

  3. The radiated power of a hot body is proportional to the radiating surface area and the square of the thermodynamic temperature

  4. The radiated power of a hot body is proportional to the radiating surface area and the thermodynamic temperature
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Explanation

Stefan-Boltzmann Law (1879-1884) states that total radiated power P = σAT⁴, where σ is Stefan-Boltzmann constant (5.67×10⁻⁸ W·m⁻²·K⁻⁴), A is surface area, T is absolute temperature in Kelvin. The T⁴ dependence is key.

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