Question

wh
th
122." The ratio of the emissive and absorptive power for
radiation of a given wavelength is the same for all
substances at the same temperature and is equal to the
emissive power of a perfectly
a perfectly black body at that
temperature " It is called
128. 1​

Answer 1

$\huge\bigstar\underline\pink{Answer}$

★ According to KIRCHOFF'S LAW:-

• At a given temperature ratio of spectral emissive power to spectral absorptive power for all buddies remains constant and it is equal to spectral emissive power of Ideal black body.

$\huge\red{\ddot{\smile}}$