$\text { 1.B.O.T Unit = ? }$

$3.6 \times 10^{8} \mathrm{~J}$

$3.6 \times 10^{7} \mathrm{~J}$

$3.6 \times 10^{6} \mathrm{~J}$

$3.6 \times 10^{5} \mathrm{~J}$