1.

The power radiated by a black body is P, and it radiates maximum energy around thee wavelength lambda_(0). If the temperature of the black body is now changed so that it radiates maximum energy around a wavelength 3lambda_(0)//4, the power radiated by it will increase by a factor of

Answer»

`(256)/(81)`
`(64)/(27)`
`(16)/(9)`
`(4)/(3)`

ANSWER :A


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