Two bodies A and B at temperatures T1 K and T2K respectively have the same dimensions. Their emissivities are in the ratio of 1: 3. if they radiate the same amount of heat per unit time, then the relation between their temperatures is given by
$\dfrac{T_{1}}{T_{2}}=\dfrac{1}{3}$
$\dfrac{T_{1}}{T_{2}}=\dfrac{81}{1}$
$\dfrac{T_{1}}{T_{2}}$=31/4:1
$\dfrac{T_{1}}{T_{2}}$=91/4:1