A 100 watt bulb operates at 3000K. Assuming it loses energy only by radiation, the total surface area of the filament will be

A 100 watt bulb operates at 3000K. Assuming it loses energy only by ra

1.	A 100 watt bulb operates at 3000K. Assuming it loses energy only by radiation, the total surface area of the filament will be
Answer» `0.218" cm"^(2)` `100" cm"^(2)` `3000" cm"^(2)` `300" cm"^(2)` ANSWER :A