The unit of Stefan's constant 0? is

Physics Units, Dimensions and Measurement Units Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

The unit of Stefan's constant 0? is

W m^{-2} K^{-1}

W m^{-1} K^{-1}

W m^{-2} K^{-1}

\(W\,m^{-2}\,K^{-1}\)

Text Solution

Verified by Experts

The correct answer is:

Stefan's law is \(\mathcal{E} = \epsilon \left( \mathbf{T}^{-1} \right)\) ⇒ ⇒ \(c_j - \frac{E}{T^2}\)

where, \varepsilon = \(\frac{\text{Energy}}{\text{Area} / \text{Time}}\) \(\frac{N s a l}{m \cdot}\)

\(r' = \frac{\mathrm{Watt} \cdot m^{-2}}{K^{4}} - \mathrm{Watt} \cdot m^{-2} K^{-4}\)

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