Q. The value of Stefan’s constant is approximately

स्टीफन स्थिरांक का मान लगभग है

A

5.67 × 10⁻⁸ W/m²K⁴

B

6.02 × 10²³

C

1.38 × 10⁻²³

D

3 × 10⁸

Explanation

The Stefan-Boltzmann constant has a value of approximately:

σ = 5.67 \times 10^{- 8} {W/m}^{2} K^{4}

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