MCQ
Unit of Stefan's constant is
- A$J s^{-1}$
- ✓$J m^{-2} s^{-1} K^{-4}$
- C$J m^{-2}$
- D$J s$
✓
Answer
Correct option: B.
$J m^{-2} s^{-1} K^{-4}$
(b) $\frac{Q}{t}=\sigma A T^4 \Rightarrow \sigma=J m^{-2} s^{-1} K^{-4}$
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