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A black body emits radiation at the rate...

A black body emits radiation at the rate P when its temperature is T. At this temperature the wavelength at which the radiation has maximum intensity is `lamda_0`, If at another temperature `T'` the power radiated is `P'` and wavelength at maximum intensity is `(lamda_0)/(2)` then

A

P'T' = 32 PT

B

P'T' = 16 PT

C

P'T' = 8 PT

D

P'T' = 4 PT

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The correct Answer is:
A
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