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Define SI unit of solid angle. |
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Answer» Steradian Its steradian Steradian Steradian Steradian is the si unit of solid angle SI unit of solid angle:A\xa0steradian is the SI unit of solid angle.It can be defined as the solid angle substended at a center of an unit,sphere by a unit area on its surface.For a general sphere of radius r, any portion on its surface with area A= r2\xa0 |
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