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23. Solar radiation emitted by sun resembles that emitted by atherblack body at a temperature of 6000 K. Maximum intensity isemitted at wavelength of about 4800 Å. If the sun were tocool down from 6000 K to 3000 K, then the peak intensitywould occur at a wavelengthtem(a) 4800A (b) 9600 A () 2400 A (d) 19200 A

Answer»

9600A



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