short note on Black Body Radiation
KaushikGupta:
light is immeted by black body
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A blackbody is an idealized object which absorbs and emits all frequencies. Blackbody radiation has a characteristic, continuous frequency spectrum that experimentally depends only on the body's temperature. A body emits radiation at a given temperature and frequency exactly as well as it absorbs the same radiation.
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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 idealized opaque, non-reflective body).
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