A black body has maximum wavelength $\lambda_m$ at $2000\,K$. Its corresponding wavelength at $3000\,K$ will be
A black body has maximum wavelength $\lambda_m$ at $2000\,K$. Its corresponding wavelength at $3000\,K$ will be
- A
$\frac{{16}}{{81}}{\lambda _m}$
- B
$\frac{{81}}{{16}}{\lambda _m}$
- C
$\frac{{3}}{{2}}{\lambda _m}$
- D
$\frac{{2}}{{3}}{\lambda _m}$
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