A black body has maximum wavelength $\lambda $m at 2000 K. Its corresponding wavelength at 3000 K will be

Question

A black body has maximum wavelength $\lambda $_m at 2000 K. Its corresponding wavelength at 3000 K will be

${3 \over 2}{\lambda _m}$

${2 \over 3}{\lambda _m}$

${{16} \over {81}}{\lambda _m}$

${{81} \over {16}}{\lambda _m}$

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