Which is not a true statement about black body radiation ?

What is black body radiation ?

State law of black body radiation.

From a black body, radiation is not :

The spectrum from a black body radiation is a

The spectrum from a black body radiation is a

State Stefan Boltzmann law for the black body radiation.

(a) Describe the principle of (i) a thermopile and (ii) a bolometer and show how these devices are used. (b) Define the term black body. What is meant by black body radiation ? As the temeprature of a black body rises, what changes take place in (i) the total energy radiated from it and (ii) the energy distribution amongst the wavelengths radiated ?