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The basic rate equation for radiation heat transfer is

  • A.Stefan-Boltzman law
  • B.Newton's law of cooling
  • C.Fourier's law
  • D.Gibb's-Helmholtz law

Answer: A

The basic rate equation of radiation heat transfer is the Stefan-Boltzmann law, \(E = \sigma T^{4}\) for a black body. Newton's law of cooling is the rate equation of convection and Fourier's law is that of conduction. The Gibbs-Helmholtz equation belongs to thermodynamics and is not a heat transfer rate equation.

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