Question

describe the ferry's black body deeply

Answer 1

a black body or blackbody is an idealized physical body that absorbs all incident electromagnetic radiation regardless of frequency or angle of incident .

Answer 2

Ferry is a model, a black body model.

Explanation:

Black body is such an object that absorbs all the radiation incident to its Surface, irrespective of the wavelength of the radiation.

Ferry model black or black body radiator-

Although we have assumed in the definition that the total radiation is absorbed in the ideal Krishna body, but we also know that nothing in nature is ideal, so the body given by the Ferry is called an ideal black body.

Ferry described a spherical hollow body that has double walls and this body has a black color from the inside, a very small hole on the surface of this body, when any radiation is incident on this hole, this body absorbs radiation.

Since we know that a good absorber is also a good emitter, so when it is heated it emits all possible wavelengths.

Examples: Platinum Black or Lamp Black etc.

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