Units and Measurements

Question: The unit of Stefan's constant \[\sigma \] is

1) \[W\,{m^{ - 2}}\,{K^{ - 1}}\]

2) \[W\,{m^2}\,{K^{ - 4}}\]

3) \[W\,{m^{ - 2}}\,{K^{ - 4}}\]

4) \[W\,{m^{ - 2}}\,{K^4}\]

Solution:

Explanation: explanation

units

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