Question

What is Black body radiation​

Answer 1

Answer:

Black body radiation :

Blackbody radiation is radiation produced by heated objects, particularly from a blackbody. A blackbody is an object that absorbs all radiation (visible light, infrared light, ultraviolet light, etc.) that falls on it. This also means that it will also radiate at all frequencies that heat energy produces in it.

This part of the story of radiation was first explained by James Clerk Maxwell via wave theory but the predicted and actual intensity vs. frequency curves did not go together right. At higher frequencies classical physics predicted that more and more energy would be radiated from the body until the energy became infinite. This broke the first law of thermodynamics which is a fundamental part of all physics. This was called the ultraviolet catastrophe.

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Answer 2

Explanation:

object that absorbs all types of radiation is known as black body. Black body emission has a characteristic frequency distribution that depends on the temperature .Its emission is called black body radiation