Need Help With This Whatzit? Riddle
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Black-body spectrum ?
The approximate mean photon energy of a black-body spectrum which is emitted by an object at a temperature of 10^5 K is ? eV . (answer to one significant figure)
ALSO
The wavelength at which this spectrum reaches a peak corressponds to a ? wavelength than that of a black-body spectrum emitted by the cosmic microwave background. should it be a (shorter or longer) wavelength
ALSO
The wavelength at which this spectrum reaches a peak corressponds to a ? wavelength than that of a black-body spectrum emitted by the cosmic microwave background. should it be a (shorter or longer) wavelength
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