Question

What is meant by black body? Describe the energy distribution of black body radiations?

Answer 1

Black-body radiation is the thermal electromagnetic radiation within or surrounding a body in thermodynamic equilibrium with its environment, or emitted by a black body (an opaque and non-reflective body).

Answer 2

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⭐. The ideal body , which emits and absorbs all frequencies of radiation is called black body.

Ex: A hollow sphere coated inside with platinium black and having a small hole in its wall acts as a near black body