Power radiated by a black body is P0 and the wavelength corresponding to maximum energy is around λ0. On changing the temperature of the black body, it was observed that the power radiated becomes 25681P0. The shift in wavelength corresponding to the maximum energy will be
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a
+λ04
b
+λ02
c
-λ04
d
-λ02
answer is C.
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Detailed Solution
According to Wien's law λ0T0=λT, According to Stefan's law P0P=T0T4As P=25681P0⇒λ=34λ0Therefore , Wavelength shift ∆λ=-λ04