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What is meant by solid angle in the definition of emissive power?

What is meant by solid angle in the definition of emissive power?

Grade:12th Pass

2 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
2 years ago
a three-dimensional analogue of an angle, such as that subtended by a cone or formed by planes meeting at a point. It is measured in steradians.

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