A bulb of 100 watt is hanging at a height of one meter above the centre of a circular table of diameter 4 m. If the intensity at a point on its rim is \[{{I}_{0}}\], then the intensity at the centre of the table will be [CPMT 1996]

• A.            \[{{I}_{0}}\]                          
• B.            \[2\sqrt{5}{{I}_{0}}\]
• C.            \[2{{I}_{0}}\]                        
• D.            \[5\sqrt{5}{{I}_{0}}\]