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Q.
The correct representation of wavelength intensity relationship of an ideal black body radiation at two different temperatures $T_{1}$ and $T_{2}$ is
KVPYKVPY 2018
Solution:
The ideal body which emits and adsorbs radiations of all frequencies is
called a black body and the radiation emitted by such a body is called black
body radiation. The exact frequency distribution of the emitted radiation from
black body depends only on its temperature. At a given temperature
intensity of radiation emitted increases with decrease of wavelength, reaches a
maximum value at a given wavelength and then starts decreasing with further
decrease of wavelength. Thus, correct representation is shown in option (a).