The wavelength of maximum emitted energy of a body at $700 K$ is $4.08$ $\mu m$. If the temperature of the body is raised to $1400 K$ , the wavelength of maximum emitted energy will be ........ $\mu m$
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(d) ${\lambda _{{m_1}}}{T_1} = {\lambda _{{m_2}}}{T_2} \Rightarrow {\lambda _{{m_2}}} = \frac{{{\lambda _{{m_{_1}}}}{T_1}}}{{{T_2}}}$$ = 4.08 \times \frac{{700}}{{1400}} = 2.04\,\mu m$
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