The plots of intensity versus wavelength for three black bodies at temperatures $T_1, T_2$ and $T_3$ respectively are as shown. Their temperature are such that
IIT 2000, Medium
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(b)According to Wien's law ${\lambda _m} \propto \frac{1}{T}$ and from the figure ${({\lambda _m})_1} < {({\lambda _m})_3} < {({\lambda _m})_2}$ therefore $T_1 >T_3 > T_2$
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