18 Consider a spherical shell of radius R at temperature T The black body radiation inside it can be considered as an ideal gas

Question

18 Consider a spherical shell of radius R at temperature T The black body radiation inside it can be considered as an ideal gas of photons with internal energy per unit volume u U o T4 1 U V If the shell now undergoes an and pressure p 3 V adiabatic expansion the relation between T and Ris 1 1 a Toc R c Toce R b To R d Toc e 3R

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