A Spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the po35:r radiated in watt would be

Question

$\begin{array}{1 1} (1) 225 \\ (2) 450 \\ (3) 1000 \\ (4) 1800 \end{array}$