A sphere and a cube of same material and same volume are heated up to same temperature and allowed to cool in the same surroundings. The ratio of the amounts of radiations emitted in equa time intervals will be

• A. \[1:1\]                          
• B. \[\frac{4\pi }{3}:1\]
• C. \[{{\left( \frac{\pi }{6} \right)}^{1/3}}:1\]         
• D. \[\frac{1}{2}{{\left( \frac{4\pi }{3} \right)}^{1/3}}:1\]