Black body radiation is white and a hole in the cavity of a radiator is a black body. Explain.

What is black body radiation ?

The rate of radiation from a black body at 1^(@)C is E The rate of radiation from this black body at 273^(@)C is .

State law of black body radiation.

What is black body radiation and photoelectric effect?

The rate of radiation of a black body at 0° C is E . The rate of radiation of this black body at 273^(@)C will be

The rate of radiation of a black body at 0° C is EJ/sec . The rate of radiation of this black body at 273(@)C will be

Comment on the statement: "The radiation of a black body is white."