Question

what is black body and uses ​

Answer 1

Answer:

please mark me brainliest plz plz plz.

Explanation:

The blackbodies are used for lighting, heating, security, thermal imaging, as well as testing and measurement applications. ... A blackbody radiation source with a known temperature, or, whose temperature can be measured, is usually used for calibrating and testing the radiation thermometers.

Answer 2

Answer:

Blackbody, in physics, a surface that absorbs all radiant energy falling on it. The term arises because incident visible light will be absorbed rather than reflected, and therefore the surface will appear black. The concept of such a perfect absorber of energy is extremely useful in the study of radiation phenomena.