Answer the following questions related to the basic terminology of thermal radiation.
PHYSICS · Multi-part · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
Answer the following questions related to the basic terminology of thermal radiation.
(i) Define an ideal blackbody.
(ii) Define absorptive power aλ of a body for radiation of wavelength λ.
(iii) State the possible numerical range of aλ for (a) a real body and (b) a perfect blackbody at the same wavelength.