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  1. The unit of the Stefan-Boltzmann's constant is​​​
    1. W/m2K4
    2. W/m2
    3. W/m2K
    4. W/m2K2
Correct Option: A

​E = σAT4 ​
E is energy dissipated per second.

σ =
E
 =
Watt
AT4m2 K4


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