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Two perfect blacd bodies A1 and A2 made ...

Two perfect blacd bodies `A_1` and `A_2` made out of same material have diameters 2 cm and 16 cm respectively. `lamda_("max")^'` and `lamda_("max")^''` are the wavelengths corresponding to their maximum radiation of energy at a common temperature `lamda_("max")^'` and `lamda_("max")^''` are related as

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