Grade 12th PassThermal Physics
What is the meaning of solid angle in the definition of emissive power?
What is the meaning of solid angle in the definition of emissive power?
1 Answer
Eshan
Dear student,
Just like 2-dimensional angle is subtended at the center of a circle, a solid angle is a 3-dimensional angle subtended at the center of a solid sphere,
Emissive power is the energy emitted by a luminous body per unit area per unit time.
Hope it helps.
Just like 2-dimensional angle is subtended at the center of a circle, a solid angle is a 3-dimensional angle subtended at the center of a solid sphere,
Emissive power is the energy emitted by a luminous body per unit area per unit time.
Hope it helps.
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