Unit of Stefan #39;s constant is

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Unit of Stefan's constant is

A

$J\,{s^{ - 1}}$

B

$J\,{m^{ - 2}}{s^{ - 1}}{K^{ - 4}}$

C

$J\,{m^{ - 2}}$

D

$J\,s$

Unit of Stefan's constant is

$\frac{Q}{t} = \sigma A{T^4}$

$ \Rightarrow \sigma = J{m^{ - 2}}{s^{ - 1}}{K^{ - 4}}$

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