The unit of Stefan's constant sigma is | vedclass

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Question

(c) Stefan's law is $E = \sigma ({T^4})$ 

$&rArr;$ $\sigma = \frac{E}{{{T^4}}}$

where,$E = $ $\frac{{{m{Energy}}}}{{{m{Area}} 	ime

Vedclass · Accepted Answer

$W\,{m^{ - 2}}\,{K^{ - 4}}$

Vedclass · Answer

(c) Stefan's law is $E = \sigma ({T^4})$ 

$&rArr;$ $\sigma = \frac{E}{{{T^4}}}$

where,$E = $ $\frac{{{m{Energy}}}}{{{m{Area}} 	imes {m{Time}}}}$ $ = \frac{{{m{Watt}}}}{{{m^{m{2}}}}}$

$\sigma = \frac{{{m{Watt - }}{m^{ - 2}}}}{{{K^4}}} = Watt - {m^{ - 2}}{K^{ - 4}}$

The unit of Stefan's constant $\sigma $ is

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