Question

What is ideal black body ?

Answer 1

A blackbody is a theoretically idealradiator and absorber of energy at all electromagnetic wavelength s. The term comes from the fact that a coldblackbody appears visually black. The energy emitted by a blackbody is called blackbody radiation.

Answer 2

A blackbody (sometimes spelled "black body") is a theoretically ideal radiator and absorber of energy at all electromagnetic wavelength s. The term comes from the fact that a cold blackbody appears visually black. The energy emitted by a blackbody is called blackbody radiation.