1.

If lamda_(m) denotes the wavelength at which the radiative emission from a black body at a temperature TK is maximum, then :

Answer»

`lamda_(m)propT`
`lamda_(m)propT^(4)`
`lamda_(m)propT^(-1)`
`lamda_(m)` does not depend on T.

Solution :By Wein.s displacement law
`lamda_(m)T=brArrlamda_(m)=b/T"or"lamda_(m)propT^(-1)`.
Correct choice is (c ).


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